Your long-term success is our goal here at Cat, so we’ve developed our 772 to be more productive and economical for our customers for years to come. Equipped with productive transmission controls, the 772 is built for heavy-duty, off-road applications and delivers quick haul cycles with automotive-quality shifting and comfort. The 772 is also built with a Cat C18 diesel engine and with our fuel saving strategies, you can adjust engine power to meet your specific needs. Ideal pass match options for the 772 are the Cat 986K or the 988K Wheel Loader and the 390F L Hydraulic Excavator. When you consider its fuel efficiency and performance, the 772 is the right Off-Highway Truck for all generations.
Features
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ACHIEVE GREATER PRODUCTIVITY
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BOOST FUEL EFFICIENCY
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DESIGNED FOR SAFETY
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WORK IN COMFORT
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TECHNOLOGY THAT GETS WORK DONE
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REDUCED MAINTENANCE COST AND OTHER COSTS
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APPLICATION VERSTILITY
Specifications
Units for specifications
Engine
| Engine Model | Cat® C18 |
|---|---|
| Rated Engine Speed | 1700.0 r/min 1700.0 r/min |
| Gross Power - SAE J1995:2014 | 605.0 hp 451.0 kW |
| Net Power - SAE J1349:2011 | 550.0 hp 410.0 kW |
| Net Power - ISO 9249 | 550.0 hp 410.0 kW |
| Number of Cylinders | 6 |
| Bore | 5.7 in 145.0 mm |
| Stroke | 7.2 in 183.0 mm |
| Displacement | 1105.0 in³ 18.1 l |
| Net Torque - SAE J1349 | 2221.0 ft-lb 3012.0 N·m |
| Engine Power - ISO 14396 | 598.0 hp 446.0 kW |
Weights - Approximate
| Target Gross Machine Operating Weight | 181000.0 lb 82100.0 kg |
|---|---|
| Chassis Weight | 59223.0 lb 26863.0 kg |
| Body Weight | 17306.0 lb 8258.0 kg |
| Target Gross Machine Weight | 181000.0 lb 82100.0 kg |
Operating Specifications
| Nominal Payload Class (100%) | 51.6 ton (US) 46.8 t |
|---|---|
| Top Speed - Loaded | 49.2 mile/h 79.1 km/h |
| Maximum Payload Class (110%) | 56.7 ton (US) 51.4 ton (US) |
| Body Capacity - SAE 2:1 | 40.8 yd³ 31.2 m³ |
| Target Payload Capacity | 51.6 ton (US) 46.8 ton (US) |
| Not to Exceed Payload (120%) | 61.9 ton (US) 56.1 ton (US) |
| Body Capacity (SAE 2:1)** | 40.8 yd³ 31.2 m³ |
Transmission
| Forward - 1 | 8.0 mile/h 12.8 km/h |
|---|---|
| Forward - 2 | 10.9 mile/h 17.5 km/h |
| Forward - 3 | 14.8 mile/h 23.7 km/h |
| Forward - 4 | 19.8 mile/h 31.9 km/h |
| Forward - 5 | 26.9 mile/h 43.3 km/h |
| Forward - 6 | 36.2 mile/h 58.4 km/h |
| Forward - 7 | 49.2 mile/h 79.2 km/h |
| Reverse | 10.4 mile/h 16.8 km/h |
Final Drives
| Differential Ratio | 2.74:1 |
|---|---|
| Planetary Ratio | 4.80:1 |
| Total Reduction Ratio | 13.14:1 |
Brakes
| Brake Surface - Front | 216.0 in² 1395.0 cm² |
|---|---|
| Brake Surface - Rear | 7794.0 in² 50281.0 cm² |
| Brake Standards | ISO 3450:2011 |
Body Hoists
| Pump Flow - High Idle | 112.0 gal/min 425.0 l/min |
|---|---|
| Relief Valve Setting - Raise | 2750.0 psi 18950.0 kPa |
| Relief Valve Setting - Lower | 500.0 psi 3450.0 kPa |
| Body Raise Time - High Idle | 8.0 s 8.0 s |
| Body Lower Time - Float | 10.0 s 10.0 s |
| Body Power Down - High Idle | 10.0 s 10.0 s |
Capacity - Dual Slope - 100% Fill Factor
| Heaped 2:1 (SAE) | 40.8 yd³ 31.2 m³ |
|---|---|
| Struck | 31.3 yd³ 23.9 m³ |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 31.3 yd³ 23.9 m³ |
|---|---|
| Heaped 2:1 (SAE) | 40.9 yd³ 31.3 m³ |
Weight Distributions - Approximate
| Front Axle - Empty | 51.4 % 51.4 % |
|---|---|
| Front Axle - Loaded | 34.2 % 34.2 % |
| Rear Axle - Empty | 48.6 % 48.6 % |
| Rear Axle - Loaded | 65.8 % 65.8 % |
Suspension
| Rear axle - Oscillation | 8.9 ° 8.9 ° |
|---|---|
| Empty Loaded Cylinder Stroke Front | 9.2 in 234.0 mm |
| Empty Loaded Cylinder Stroke Rear | 5.8 in 149.0 mm |
Service Refill Capacities
| Fuel Tank | 140.0 gal (US) 530.0 l |
|---|---|
| Cooling System | 33.0 gal (US) 125.0 l |
| Differential - Final Drives | 47.0 gal (US) 180.0 l |
| Steering Tank | 14.5 gal (US) 55.0 l |
| Steering System - Including Tank | 23.0 gal (US) 87.0 l |
| Torque Converter - Transmission System | 17.0 gal (US) 64.0 l |
| Brake Hoist System | 60.0 gal (US) 227.0 l |
| DEF Tank | 6.0 gal (US) 21.0 l |
| Crankcase | 17.0 gal (US) 64.0 l |
| Brake/Hoist Hydraulic Tank | 38.0 gal (US) 145.0 l |
Tires
| Standard Tire | 21.00R33 (E4) |
|---|
ROPS
| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. |
|---|---|
| ROPS Standards | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
Sound
| Sound Standards (3) | Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
|---|---|
| Sound Standards (2) | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). |
| Sound Standards (1) | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. |
Steering
| Turning Diameter - Front | 57.7 ft 17.6 m |
|---|---|
| Steering Standards | ISO 5010:2007 |
| Steer Angle | 40.5 ° 40.5 ° |
| Turning Circle - Clearance Diameter | 66.6 ft 20.3 m |
Dimensions
| Height - Top of ROPS | 12.8 ft 3907.0 mm |
|---|---|
| Inside Body Depth - Maximum | 5.7 ft 1747.0 mm |
| Overall Body Length | 26.8 ft 8164.0 mm |
| Inside Body Length | 19.0 ft 5781.0 mm |
| Overall Length | 28.9 ft 8808.0 mm |
| Wheel Base | 13.0 ft 3960.0 mm |
| Rear Axle - Tail | 9.5 ft 2598.0 mm |
| Ground Clearance | 1.6 ft 618.0 mm |
| Dump Clearance | 1.5 ft 562.0 mm |
| Loading Height - Empty | 11.6 ft 3570.0 mm |
| Overall Height - Body Raised | 27.1 ft 8257.0 mm |
| Operating Width | 15.7 ft 4780.0 mm |
| Centerline Front Tire Width | 10.4 ft 3165.0 mm |
| Engine Guard Clearance | 2.0 ft 618.0 mm |
| Outside Body Width | 12.9 ft 3931.0 mm |
| Inside Body Width | 11.9 ft 3642.0 mm |
| Front Canopy Height | 13.7 ft 4159.0 mm |
| Rear Axle - Clearance | 1.9 ft 572.0 mm |
| Centerline of Rear Dual Tire Width | 8.7 ft 2652.0 mm |
| Overall Tire Width | 12.9 ft 3927.0 mm |
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
- Alarm, backup
- Alternator, 115 ampere
- Auxiliary jump start receptacle
- Batteries, maintenance-free, 12V (2), 190 amp-hour
- Electrical system, 24V
- Lighting system: - Backup light (halogen) - Directional signals/hazard warning (front and rear LED) - Headlights, (halogen) with dimmer - Operator access courtesy lights (Developing Market Only)
PRODUCT LINK™ COMMUNICATIONS
- Product Link Ready
GUARDS
- Driveline
- Engine crankcase
OPERATOR ENVIRONMENT
- Air conditioning
- Ashtray and cigarette lighter
- Coat hook
- Cup holders (4)
- Diagnostic connection port, 24V
- Entertainment Radio Ready: - 5 amp converter - Speakers - Antenna - Wiring harness
- Gauges/indicators: - Air cleaner service indicator - electronic - Brake oil temperature gauge - Coolant temperature gauge - Hour meter - Tachometer - Engine overspeed indicator - Fuel level - Speedometer with odometer - Transmission gear indicator
- Heater/defroster (11 070 kCal/43,930 BTU)
- Hoist lever
- Horn, electric
- Light - dome
- Light - courtesy
- Messenger, display unit
- Mirrors
- Power port, 12V
- ROPS cab, insulated/sound suppressed
- Seat, Cat Comfort Series III: - full air suspension - four point harness
- Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor, tinted glass
- Throttle lock
- Windshield wiper (intermittent) and washer
POWER TRAIN
- Air-To-Air Aftercooler (ATAAC)
- Air cleaner with precleaner (1)
- Automatic cold mode idle control
- Electric start
- Turbocharger
- Braking system, hydraulic actuated: - Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes) - Brake release motor (towing) - Caliper-disc (front) - Oil-cooled, multiple disc (rear) - Parking - Secondary - Service
- Transmission: - 7 speed automatic powershift - Body up shift inhibitor - Controlled throttle shifting - Directional shift management - Downshift inhibitor - Neutral start switch - Neutral coast inhibitor - Reverse shift inhibitor - Reverse neutralizer during dumping - Programmable top gear selection
SUSPENSION SYSTEMS
- Suspension, front and rear
OTHER STANDARD EQUIPMENT
- Body safety pin (secures body in up position)
- Body down indicator
- CD ROM parts book
- Fan, hydraulic demand
- Fuel tank (530 L/140 gal)
- Guard, engine compartment
- Guard, mud
- Ground level battery disconnect
- Ground level engine shutdown
- Ground level grease fittings
- Reservoirs (separate): - Brake/converter/hoist - Steering - Transmission/torque converter
- Rims 15 × 33
- Rock ejectors
- Service platform, left and right side
- Supplemental steering (automatic)
- Tie down eyes
- Tow hooks (front)/Tow pin (rear)
- Vandalism protection locks
ANTIFREEZE
- Extended Life Coolant to -35° C (-30° F)
Videos
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Off-Highway Trucks CAT® 770G 772G Introduction -
Off-Highway Trucks CAT® 770G 772G Walk Around
