Caterpillar 772
Browse All Caterpillar or Rock Truck Models
Contents:
Dimensions
| Overall Length | 28.67 ft in (8738.62 mm) |
| Overall Width | 15.69 ft in (4780 mm) |
| Overall Height | 14 ft in (4265 mm) |
| Wheelbase | 13 ft in (3960 mm) |
| Ground Clearance | 2.36 ft in (719.33 mm) |
| Dump Height | 27.42 ft in (8357 mm) |
| Dump Ground Clearance | 1.83 ft in (560 mm) |
| Inside Body Depth - Maximum | 5.6 ft in (1.71 m) |
| Inside Body Length | 18.21 ft in (5.56 m) |
| Inside Body Width | 12.13 ft in (3.7 m) |
| Operating Width | 15.59 ft in (4751.84 mm) |
| Outside Body Width | 12.97 ft in (3.96 m) |
| Overall Body Length | 26.81 ft in (8.18 m) |
| Loading Height - Empty | 11.48 ft in (3.5 m) |
| Centerline Front Tire Width | 10.38 ft in (3.17 m) |
| Centerline Of Rear Dual Tire Width | 8.7 ft in (2.66 m) |
| Dump Clearance | 1.62 ft in (0.5 m) |
| Engine Guard Clearance | 2.34 ft in (0.72 m) |
| Front Canopy Height | 13.83 ft in (4.22 m) |
| Height - Top Of Rops | 13.43 ft in (4.1 m) |
| Overall Height - Body Raised | 27.42 ft in (8.36 m) |
| Overall Tire Width | 12.88 ft in (3.93 m) |
| Rear Axle - Clearance | 1.84 ft in (0.57 m) |
| Rear Axle - Tail | 8.5 ft in (2.6 m) |
| Wheel Base | 12.99 ft in (3.96 m) |
Dump
| Lower Time | 14.7 sec |
| Raise Time | 8.1 sec |
| Rated Payload | 100000 lb (45359.24 kg) |
| Load Capacity - Heaped | 41 yd3 (31.3 m3) |
| Load Capacity - Struck | 30.5 yd3 (23.3 m3) |
Engine
| Number Of Cylinders | 6 |
| Engine Make | 2236 |
| Engine Model | C18 ACERT |
| Net Power | 535 hp (399 kw) |
| Gross Power | 598 hp (446 kw) |
| Power Measured @ | 1800 rpm |
| Max Torque | 1988 lb ft (2695.4 Nm) |
| Displacement | 1105 cu in (18.2 L) |
| Aspiration | Turbocharged |
| Peak Torque | 1988 lb ft (2695.4 Nm) |
| Bore | 5.7 in (144.8 mm) |
| Stroke | 7.2 in (182.9 mm) |
| Net Power - Iso 9249 | 535 hp (399 kw) |
| Net Power - Sae J1349 | 535 hp (399 kw) |
| Net Power - 80/1269/Eec | 535 hp (399 kw) |
| Gross Power - Sae J1995 | 598 hp (446 kw) |
| Engine Model | Cat C18 ACERT |
| Rated Engine Speed | 1800 rpm |
| Net Power - Iso 9249:1997 | 535 hp (399 kw) |
Operational
| Fuel Capacity | 140 gal (530 L) |
| Cooling System Fluid Capacity | 30 gal (114 L) |
| Engine Oil Capacity | 14 gal (53 L) |
| Diff And Final Drive Fluid Capacity | 42 gal (159 L) |
| Steering System Fluid Capacity | 15 gal (56 L) |
| Brake/Hoist System Fluid Capacity | 73 gal (277 L) |
| Hydraulic System Fluid Capacity | 35 gal (155 L) |
| Tire Size | 21.00R33(E4) |
Transmission
| Transmission Type | Gear |
| Number Of Gears - Forward | 7 |
| Number Of Gears - Reverse | 1 |
| Max Speed | 49.5 mph (79.7 km/h) |
| Reverse | 10.5 mile/h |
| Forward - 1 | 8 mph (12.9 km/h) |
| Forward - 2 | 11 mph (17.8 km/h) |
| Forward - 3 | 14.9 mph (24 km/h) |
| Forward - 4 | 20 mph (32.2 km/h) |
| Forward - 5 | 27.1 mph (43.7 km/h) |
| Forward - 6 | 36.5 mph (58.8 km/h) |
| Forward - 7 | 49.5 mph (79.7 km/h) |
Steering
| Steering Standards | ISO 5010:1992 |
| Steer Angle | 36 degrees |
Weights
| Empty Weight | 78155 lb (35450 kg) |
| Loaded Weight | 181000 lb (82100 kg) |
| Weight Distribution Front - Empty | 48 % |
| Weight Distribution Rear - Empty | 52 % |
| Weight Distribution Front - Loaded | 34 % |
| Weight Distribution Rear - Loaded | 66 % |
Tires
| Standard Tire | 21.00R33 (E4) |
Brakes
| Brake Surface - Front | 216 in2 (0.2 m2) |
| Brake Surface - Rear | 7794 in2 (5.1 m2) |
| Brake Standards | ISO 3450: 1996 |
Body Hoists
| Pump Flow - High Idle | 136 gal/min |
| Relief Valve Setting - Raise | 2500 psi |
| Body Raise Time - High Idle | 9.5 s |
| Body Lower Time - Float | 12.5 s |
| Body Power Down - High Idle | 12.5 s |
| Relief Valve Setting - Lower | 500 psi |
Final Drives
| Planetary Ratio | 4.80:1 |
| Differential Ratio | 2.74:1 |
| Total Reduction Ratio | 13.15:1 |
Operating Specifications
| Nominal Payload Class (100%) | 102000 lb (46266.4 kg) |
| Top Speed - Loaded | 49.5 mph (79.7 km/h) |
| Maximum Capacity | 100000 lb (45359.2 kg) |
| Body Capacity - Sae 2:1 | 41 yd3 (31.4 m3) |
| Target Payload Capacity | 100000 lb (45359.2 kg) |
| Maximum Working Payload (110%) | 112000 lb (50802.4 kg) |
| Not To Exceed Payload (120%)* | 122000 lb (55338.3 kg) |
Service Refill Capacities
| Cooling System | 30 gal (113.6 L) |
| Differential - Final Drives | 22 gal (83.3 L) |
| Steering Tank | 9 gal (34.1 L) |
| Steering System - Including Tank | 15 gal (56.8 L) |
| Fuel Tank | 140 gal (530 L) |
| Crankcase | 16 gal (60.6 L) |
| Brake / Hoist / Fan Hydraulic Tank | 35 gal (132.5 L) |
| Brake/Hoist/Fan System (Tank) | 73 gal (276.4 L) |
| Transmission - Torque Converter Sump | 14 gal (53 L) |
| Transmission - Torque Converter System - Including Sump | 19 gal (72 L) |
Weight Distributions - Approximate
| Front Axle - Empty | 48 % |
| Front Axle - Loaded | 34 % |
| Rear Axle - Empty | 52 % |
| Rear Axle - Loaded | 66 % |
Weights - Approximate
| Target Gross Machine Operating Weight | 181000 lb (82100.3 kg) |
| Chassis Weight | 55171 lb (25025.2 kg) |
| Body Weight | 22984 lb (10425.4 kg) |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 31.7 yd3 (24.3 m3) |
| Heaped 2:1 (Sae) | 40.8 yd3 (31.2 m3) |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 30.5 yd3 (23.4 m3) |
| Heaped 2:1 (Sae) | 41 yd3 (31.4 m3) |
Rops
| Rops/Fops Standards | . |
Sound
| Sound Standards | . |
Suspension
| Rear Axle - Oscillation | 5.4 degrees |
| Effective Cylinder Stroke - Front | 9.2 in (233.7 mm) |
| Effective Cylinder Stroke - Rear | 5.9 in (149.9 mm) |
