Transcript
®
311C U Utility Hydraulic Excavator
Cat® 3064 T Turbocharged Diesel Engine Gross Power Flywheel Power Operating Weight* Swing Torque
61 kW/82 hp 59 kW/79 hp 11 980 kg 31 kN
* Standard undercarriage, 2800 mm stick and 500 mm shoes.
311C Utility Hydraulic Excavator Increased horsepower, better controllability, extended service intervals and a redesigned operator station increase your productivity and lower your operating costs.
Engine The 311C U is powered by the Cat® 3064 T engine. This engine includes several design features which enhance performance, efficiency and reliability. pg. 4
Undercarriage and Structures Rugged Caterpillar® undercarriage design and proven structural manufacturing techniques assure outstanding durability in the toughest applications. New grease lubricated seals protect and prolong track life. pg. 6
Hydraulics The open-center, two-pump hydraulic system features pump flow control which improves fuel efficiency, ensures smooth controllability, reduces sound levels and extends component life. pg. 5
Increased horsepower, better controllability, extended service intervals and a redesigned operator station increase your productivity and lower your operating costs.
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Operator Station Larger, quieter, climate-controlled cab has excellent sightlines to the work area to help keep operator fatigue low and production up throughout the entire shift. pg. 7
Front Linkage Designed-in flexibility to help bring higher production and efficiency to all jobs. pg. 8
Buckets, Quick Coupler and Work Tools Ex-CWTS available buckets, quick couplers, multi-grapples, shears, and ex-CIPL available hammers – to provide a total solution package to the end-user. pg. 10
Serviceability Longer service intervals and easier maintenance result in better machine availability and lower owning and operating costs. pg. 9
Complete Customer Support Your Cat dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you choose a plan that can cover everything from machine and attachment selection to replacement.
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Engine The four cylinder turbocharged Cat 3064 T engine is built for power, reliability, economy and low emissions. Torque Rise. The engine is designed for high torque rise at middle rpm, a feature that is especially beneficial for heavyduty use. Cylinder Block. The cylinder block is cast iron for improved wear resistance. The upper part is laser hardened to reduce oil consumption and internal component wear. Maintenance. The oil level gauge, oil filter, fuel filter and priming pump are located on the right side of the upper structure for easy maintenance. The engine oil filter and fuel filter change intervals have been extended. Crankshaft. The eight balance, onepiece, forged crankshaft enhances balance and decreases vibration and is induction hardened to improve abrasion resistance. Pistons. Heat resistant aluminum alloy pistons have a short compression height, reducing weight and improving efficiency. Fuel Consumption. The 3064 T engine has the best fuel consumption in this class of diesel engines. It features improved thermal efficiency and reduced friction resistance between piston and liners. Air Intake Heating. Air intake heating is standard on the 311C U for easier cold starts.
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Hydraulics Caterpillar hydraulics deliver power and control to keep material moving at high volume.
Component Layout. The 311C U hydraulic system was designed to provide a high level of efficiency. With all major components located close together, shorter tubes and lines are needed, resulting in less friction loss in the lines and reduced pressure drops. Hydraulic Cross Sensing System. Improves productivity with faster implement speeds and quicker, stronger pivot turns. Automatic Boom and Swing Priority. For simpler operation, work mode and power mode switches have been eliminated. Instead, the automatic boom and swing priority function selects the best mode, based on joystick movement. Stackable Valves. Up to two additional control valves can be added to the main control valve of the 311C U to run additional tools. Controllability. The hydraulic system offers precise control to the 311C U, reducing operator fatigue, improving operator effectiveness and efficiency, which ultimately translates into enhanced performance. Auxiliary Hydraulic Valve. For further versatility, a dedicated hammer (single function), thumb (double function), and combined auxiliary hydraulics are offered on the 311C U. Hydraulic Snubbers. Hydraulic cylinder snubbers at the rod-end of boom cylinders and both ends of the stick cylinders cushion shocks, reduce sound and increase cylinder life.
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Undercarriage and Structures Durable undercarriage absorbs stresses and provides excellent stability.
505 mm
311C U
885 mm
312C
Main Frame. The rugged main frame is designed for maximum durability and efficient use of materials. Grease Lubricated Track. New grease lubricated seals protect the track link and deliver long track link pin and bushing inner wear life. Carbody Design and Track Roller Frames. X-shaped, box-section carbody provides excellent resistance to torsional bending. Robot-welded track roller frames are press-formed, pentagonal units to deliver exceptional strength and service life.
Travel Motors. Automatic speed selection enables the machine to automatically change up and down from high and low speeds in a smooth, controlled manner.
Structures. The 311C U structural components and undercarriage are the backbone of the machine’s durability.
Idler Guard. An idler guard, which is integral to the track roller frame is standard. This guard helps maintain track alignment while traveling or working on slopes.
Rollers and Idlers. Sealed and lubricated track rollers, carrier rollers and idlers provide excellent service life, to keep the machine in the field longer.
Blades. For further versatility and to meet more general purposes needs, three blade width options are available on the 311C U.
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Shorter Tail Swing Radius. The 311C U, with its reduced tail swing radius, is easier to operate while against walls and in tight areas, reducing the concern of the rear of the machine during operation.The shorter tail measurement allows flexibility for ideal use in urban construction, logging roads, and other space restricted sites.
Operator Station Designed for simple operation, the 311C U operator station allows the operator to focus on production. Operator Environment. The 311C U operator work station is quiet with ergonomic control placement and convenient adjustments, low lever and pedal effort, ergonomic seat design and highly efficient ventilation. Monitor. The 311C U’s newly designed and conveniently located monitor allows the operator to monitor machine performance while sitting in a comfortable position. Automatic Boom and Swing Priority Function. For simpler operation, work mode and power mode switches have been eliminated. Instead, the automatic boom and swing priority function selects the best mode, based on joystick movement. Redesigned Layout. Redesigned cab layout emphasizes simplicity and ease of use. Right-hand wall and console provide easy access to all switches, dials and controls. Travel Controls. A large rubber-covered footrest at the side of the travel pedals allows the foot to easily grip the pedal. The travel lever stroke and force have been enhanced to improve the 311C U’s fine controllability, making the machine easier to operate. Seat. A new seat with a two-tone color offers two types of cushions - soft and firm - for operator comfort. The reclining knob is located at the right-side of the seat for easier reclining adjustment. Automatic Climate Control. Fully automatic climate control adjusts temperature and flow and determines which air outlet is best in each situation. Skylight. A large polycarbonate skylight delivers excellent natural lighting and good ventilation. Standard sliding sunshade protects from direct sunlight.
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Front Linkage Designed-in flexibility to help bring higher production and efficiency to all jobs.
Front Linkage. Front linkage variations on the 311C U allow for the use of one boom and two sticks. Using these combinations improves the generalpurpose versatility of the 311C U by suiting it to a diverse range of applications. Boom. The boom on the 311C U is designed to provide maximum digging capability. Caterpillar booms are manufactured with high-tensile steel for upper, lower and side plates and robot welded for consistent quality. Stick. Two sticks are available on the 311C U. The customer’s working envelope and bucket capacity needs determine their stick choice. Boom and Stick Construction. Built for performance and long service life, Caterpillar booms and sticks are large, welded, box-section structures with thick, multi-plate fabrications in high-stress areas. Bucket Linkage. The bucket linkage on the 311C U includes the bucket cylinder, idler link and power links. Linkage Bearings. New bearing technology has extended the front linkage greasing intervals for all bearings.
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Serviceability Simplified service and maintenance features save you time and money.
Pump Compartment. A service door on the right side of the upper structure allows ground-level access to the pump and pilot filter. Capsule Filter. The hydraulic return filter, a capsule filter, is situated outside the hydraulic tank. This filter prevents contaminants from entering the system when hydraulic oil is changed and keeps the operation clean.
Extended Service Intervals. 311C U service and maintenance intervals have been extended to reduce machine service time and increase machine availability. Radiator Compartment. The left rear service door allows easy access to the engine radiator and the oil cooler. A reserve tank and drain cock are attached to the radiator for simplified maintenance.
Air Filter Compartment. The air filter features a double-element construction for superior cleaning efficiency. When the air cleaner plugs, a red warning sign appears on the indicator near the air cleaner. Ground Level Service. The design and layout of the 311C U was made with the service technician in mind. Many service locations are easily accessible at ground level allowing critical maintenance to get done quickly and efficiently.
Anti-Skid “Punched-Star” Plate. Antiskid punched-star plate covers the maintenance walkway to prevent slipping. The plate can be removed for cleaning. Engine Inspection. The engine can be accessed from the upper structure or from under the machine. The engine and pump compartment are separated by a steel wall.
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Buckets, Quick Couplers and Work Tools The 311C U has designed-in flexibility to help bring total solutions for efficiency to your jobs. Quick Couplers. Caterpillar Quick Couplers enable the operator to simply release one work tool and pick up another. Your hydraulic excavator becomes highly versatile. To suit your business and application needs, Caterpillar offers two different types of Quick Couplers.
Pin Grabber Plus Quick Coupler. This hydraulically controlled Pin Grabber Plus quick coupler makes changing buckets and other popular work tools simple and fast. The Pin Grabber Plus coupler mounts to the end of the stick and allows buckets, clamshells and other work tools to be used with little or no modification. Each model fully adjusts to different pin spreads of various tools regardless of manufacturer – it is the only coupler that accommodates a wide range of work tool makes and models. Pin-on assembly makes coupler installation and removal fast and easy. Coupler retains the same bucket opening and closing angles. Buckets can be reversed for greater flexibility when working around and under obstructions. Integrated lift eye.
CW-Series Dedicated Quick Coupler. The dedicated CWSeries quick coupler enables a quick tool exchange while maintaining top machine performance. It is available in a hydraulic and spindle version. The hydraulic version is available in a standard and a narrow version and makes it very easy for the operator to switch tools without having to leave the cab. The spindle version is a userfriendly mechanical version that can later be easily converted into the hydraulic version if required. The spindle version is also available in the narrow and standard version. A lifting hook is added to the dedicated Quick Coupler for maximum lift capacity.
Quick Coupler hydraulic Circuits for CAT 308C CR are available as retrofit kits. Caterpillar offers two kits that are dedicated to CW and Pin Grabber Plus coupler. Ask your Cat dealer for more specific information.
Buckets. A wide variety of buckets help optimize machine performance. Purpose designed and built to Caterpillar’s high durability standards.
Work Tools. Work Tools for 311C U are only available ex Caterpillar Work Tools & Services (NL) and ex Caterpillar Impact Products Ltd. (UK). For any specific work tools needs not covered in machine price list please contact your local dealer.
Excavation Bucket. Digs and loads soft to medium materials such as clay and earth. Features weld on tip adapters, hardened cutting edge and side bars.
Shear. Caterpillar's steel cutting shear meets your requirements in scrap recycling as well as primary demolition and offers excellent flexibility.
Extreme Excavation Bucket. Digs and loads compact/abrasive materials like earth/rock, sand/clay, sand/gravel, coal, chalk and low abrasion ores. Features abrasion resistant steel for all wear parts.
Multi-Grapple. The Multi-Grapple is the ideal tool for stripping, sorting, handling and loading. Hammer. The Cat hammers provide the perfect match for maximal life, efficiency and productivity.
Ditch Cleaning Bucket. Wide, light bucket used mainly with long reach configurations to clean waterbeds and banks.
Bucket Specifications Contact your Caterpillar dealer for special bucket requirements. Extreme Excavation
Excavation
A Bite width B Tip radius Capacity Weight
mm mm m3 kg
600 1230 280 316
750 1230 380 336
900 1230 485 375
1000 1230 560 397
1100 1230 640 430
1200 1230 715 453
1200 1230 715 463
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A
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➤
B
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Engine Caterpillar 3064 T turbocharged diesel engine. Ratings at 1950 rpm Gross power Flywheel power Net power ISO 9249 EEC 80/1269
kW
hp
61 59
82 79
59 59
79 79
Dimensions Bore Stroke Displacement
102 mm 130 mm 4.25 liters
Power rating conditions net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator no engine derating required below 1500 m altitude Meets Stage II EU Emission Directive 97/68/EC.
Drive Maximum travel speed Maximum drawbar pull
Hydraulic System
Cab/FOGS
Main Implement System Maximum Flow (2x) Maximum pressure Implements Travel Swing Pilot System Maximum flow Maximum pressure Blade System Maximum flow Maximum pressure Boom Cylinder Bore Stroke Stick Cylinder Bore Stroke Bucket Cylinder Bore Stroke
Optional Falling Object Guard System is designed to protect the operator from falling objects, and is certified under ISO 10262 specifications.
29 900 kPa 34 300 kPa 23 500 kPa 24.3 l/min 4120 kPa 53.2 l/min 20 594 kPa 100 mm 1002 mm 110 mm 1194 mm 100 mm 939 mm
Swing Mechanism 5.6 km/h 92 kN
Swing Torque Swing Speed
Sound Operator Sound The operator sound level measured according to the procedures specified in ISO 6396 is 74 dB(A), for cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed. Exterior Sound The labeled spectator sound power level measured according to the test procedures and conditions specified in 2000/14/EC is 103 dB(A).
Service Refill Capacities 31 kNm 10.6 rpm
Operating Weights Stick length Standard 500 mm triple grouser Optional 600 mm triple grouser 700 mm triple grouser 770 mm triple grouser Blade: add
108 l/min
Liters
Fuel Tank Cooling System Engine Oil Swing Drive Final Drive (each) Hydraulic system(including tank) Hydraulic tank
195 17.5 19.5 3 3 160 92
Undercarriage 2250 mm
Ground Pressure
2800 mm
kg
kg
11 940
11 980
12 160 12 390 12 510 830
12 200 12 430 12 550 830
Standard 500 mm triple grouser Optional 600 mm triple grouser 700 mm triple grouser 770 mm triple grouser
311C U specifications
41 kPa 35 kPa 31 kPa 28 kPa
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Dimensions All dimensions are approximate.
2 3
1
7 8
4 5
Stick Length 1 Shipping height 2 Shipping length 3 Tail swing radius 4 Length to centers of rollers 5 Track length 6 Ground clearance
mm
mm
2250 2770 6910 1750 2610 3320 455
2800 2770 6920 1750 2610 3320 455
Stick Length 7 Track gauge 8 Transport width 500 mm shoe 600 mm shoes 700 mm shoes 770 mm shoes
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mm
mm
2250 1990
2800 1990
2490 2590 2690 2760
2490 2590 2690 2760
Working Ranges with One-Piece Boom (4300 mm) m
Stick Length 1 Maximum digging depth 2 Maximum reach at ground level 3 Maximum cutting height 4 Maximum loading height 5 Minimum loading height 6 Maximum depth cut for 2440 mm Level Bottom 7 Maximum vertical wall digging depth Digging forces (SAE): Stick Bucket
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8 7
➤
6 5 3
4 3
4 ➤
2 1
➤
➤
➤ ➤
➤➤
➤
0
5 ➤
2
1 7
2250 mm 2800 mm
2 6
1
3
➤
➤
5
➤
4
6 9
12
8
7
6
5
4
3
2
311C U specifications
1
0
1
m
mm mm mm mm mm mm
2250 5040 7570 7805 5450 1880
2800 5590 8100 8125 5770 1340
mm mm
4425 4815
4940 5440
58 80
50 80
kN kN
Lift capacities with One-Piece Boom (4300 mm) All weights are in kg Medium Stick – 2250 mm Shoes – 500 mm Bucket – 0.4 m3 Blade up
Medium stick – 2250 mm Shoes – 500 mm Bucket – 0.4 m3 Blade down
Long stick – 2800 mm Shoes – 500 mm Bucket – 0.3 m3 Blade up
Long stick – 2800 mm Shoes – 500 mm Bucket – 0.3 m3 Blade down
Load Point Height
1.5 m
3.0 m
4.5 m
6.0 m
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m
*4900 *8600
*4900 *8600
1.5 m
*4150 *6200 *6450 6400 *6150
*4150 5200 4850 4750 4850
3.0 m
*2500 *2650 *3200 3450 3300 3200 3250
*2500 *2650 2950 2750 2600 2550 2600
4.5 m
2250 2150 2100
*1050 *1000 *1000 *1050 *1200 *1550 *2350
1800 1750 1650
6.0 m
*1050 *1000 *1000 *1050 *1200 1550 *2350
5.9 6.9 7.3 7.4 7.1 6.3 4.9
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m
*4900 *8600
*4900 *8600
1.5 m
*4150 *6200 *7250 *7150 *6150
*4150 5200 4850 4750 4850
3.0 m
*2500 *2650 *3200 *3950 *4550 *4650 *3950
*2500 *2650 2950 2750 2600 2550 2600
4.5 m
*2850 *3100 *3350
*1050 *1000 *1000 *1050 *1200 *1550 *2350
1800 1750 1650
6.0 m
*1050 *1000 *1000 *1050 *1200 1550 *2350
5.9 6.9 7.3 7.4 7.1 6.3 4.9
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m –4.5m
*4250 *7000
*4250 *7000
1.5 m
*5450 *6950 *6350 *6400 *4600
5400 4900 4750 4750 *4600
3.0 m
*2800 3550 3300 3200 3200
*2800 2800 2600 2500 2500
4.5 m
*2100 2300 2200 2100 2050
*850 *800 *800 *850 *1000 *1200 *1750 *3400
1900 1850 1750 1650 1600
6.0 m
*850 *800 *800 *850 *1000 *1200 *1750 *3400
6.6 7.4 7.9 7.9 7.7 7.0 5.7 3.8
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m –4.5m
*4250 *7000
Load Radius Over Front
*4250 *7000
*5450 *6950 *7300 *6650 *4600
5400 4900 4750 4750 *4600
*2800 *3650 *4350 *4650 *4300
*2800 2800 2600 2500 2500
Load Radius Over Side
*2100 *2550 *2900 *3250 *3350
1900 1850 1750 1650 1600
*850 *800 *800 *850 *1000 *1200 *1750 *3400
*850 *800 *800 *850 *1000 *1200 *1750 *3400
6.6 7.4 7.9 7.9 7.6 7.0 5.7 3.8
Load at Maximum Reach
* Limited by hydraulic rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO/DIS 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. Weight of all lifting accessories must be deducted from the above lifting capacities.
311C U specifications
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Lift capacities with One-Piece Boom (4300 mm) All weights are in kg Medium Stick – 2250 mm Shoes – 700 mm Bucket – 0.4 m3 Blade up
1.5 m
4.5 m
6.0 m
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m
Medium stick – 2250 mm Shoes – 700 mm Bucket – 0.4 m3 Blade down
*4900 *8600
*4900 *8600
1.5 m
*4150 *6200 6700 6600 *6150
*4150 5400 5000 4950 5050
3.0 m
*2500 *2650 *3200 3600 3400 3350 3400
*2500 *2650 3050 2850 2700 2650 2700
4.5 m
2300 2250 2150
*1050 *1000 *1000 *1050 *1200 *1550 *2350
1850 1800 1750
6.0 m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m
*4900 *8600
*4900 *8600
1.5 m
5.9 6.9 7.3 7.4 7.1 6.3 4.9
7.5 m
*4150 *6200 *7250 *7150 *6150
*4150 5400 5000 4950 5050
3.0 m
*2500 *2650 *3200 *3950 *4550 *4650 *3950
*2500 *2650 3050 2850 2700 2650 2700
4.5 m
*2850 *3100 *3350
*1050 *1000 *1000 *1050 *1200 *1550 *2350
1850 1800 1750
6.0 m
*1050 *1000 *1000 *1050 *1200 *1550 *2350
5.9 6.9 7.3 7.4 7.1 6.3 4.9
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m –4.5m
Long stick – 2800 mm Shoes – 700 mm Bucket – 0.3 m3 Blade down
*4250 *7000
*4250 *7000
1.5 m
*5450 6800 6600 6650 *4600
*5450 5100 4900 4950 *4600
3.0 m
*2800 *3650 3450 3300 3350
*2800 2900 2700 2600 2600
4.5 m
*2100 2350 2250 2200 2150
*850 *800 *800 *850 *1000 *1200 *1750 *3400
1950 1900 1850 1750 1700
6.0 m
*850 *800 *800 *850 *1000 *1200 *1750 *3400
6.6 7.4 7.9 7.9 7.7 7.0 5.7 3.8
7.5 m m
6.0 m 4.5 m 3.0 m 1.5 m Ground –1.5 m –3.0 m –4.5m
*4250 *7000
Load Radius Over Front
*4250 *7000
*5450 *6950 *7300 *6650 *4600
*5450 5100 4900 4950 *4600
*2800 *3650 *4350 *4650 *4300
*2800 2900 2700 2600 2600
Load Radius Over Side
*2100 *2550 *2900 *3250 *3350
1950 1900 1850 1750 1700
*850 *800 *800 *850 *1000 *1200 *1750 *3400
311C U specifications
*850 *800 *800 *850 *1000 *1200 *1750 *3400
Load at Maximum Reach
* Limited by hydraulic rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity ratings standard ISO/DIS 10567, they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. Weight of all lifting accessories must be deducted from the above lifting capacities.
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*1050 *1000 *1000 *1050 *1200 *1550 *2350
m
Long stick – 2800 mm Shoes – 700 mm Bucket – 0.3 m3 Blade up
Load Point Height
3.0 m
6.6 7.4 7.9 7.9 7.7 7.0 5.7 3.8
Standard Equipment Standard and optional equipment may vary. Consult your Caterpillar dealer for specifics. Alternator, 50 amp Automatic swing brake Automatic work modes Auxiliary hydraulic valve (1) Bolt-on Falling Objects Guard System (FOGS) capability Boom, one piece
Cab: AM/FM radio, 24-volt Ashtray with cigar lighter Drink holder Floor mat Horn Hydraulic neutralizer lever for all controls Instrument panel and gauges Joysticks, adjustable pilot-operated Light, box mounted (1) Lighting, interior Literature holder Openable front windshield Openable skylight Suspension seat Travel control pedals with hand levers
Doors and caps lock with one-key security system Mirrors (frame and cab) Power Train: 24-volt electric starting Air intake heater Cat 3064 T diesel engine One touch low idle Water separator Undercarriage: 500 mm triple grouser shoes Hydraulic track adjusters Idler section track guiding guards Track-type undercarriage with grease lubricated
Optional Equipment Optimal equipment may vary. Consult your Caterpillar dealer for specifics. Air conditioner Auxiliary hydraulic lines for boom and sticks Blades 2500 mm, with replaceable cutting edges for 500 mm triple grouser shoes 2600 mm, with replaceable cutting edges for 600 mm triple grouser shoes 2700 mm, with replaceable cutting edges for 700 mm and 770 mm triple grouser shoes Boom lowering check valve Bucket linkage Cab mounted working lights
Cold weather start Falling Objects Guard System Guard track guiding Headrest Heavy-duty bottom guard Hydraulic arrangements, auxiliary: single-function capability double-function capability combined single and double function capability Medium pressure hydraulic arrangement Power supply 12V-5A Rain protector
Right-side boom lights Stick lowering check valve Sticks 2800 mm stick 2250 mm stick Swivel guard Tracks 600 mm triple grouser 700 mm triple grouser 770 mm triple grouser 500 mm segment rubber track Track guiding guard, center Travel alarm Vandalism protection
311C U specifications
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311C U Hydraulic Excavator
HEHH3070 (3/2005) hr
Materials and specifications are subject to change without notice. Featured machines in photos may include additional equipment. See your Caterpillar dealer for available options.
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