Caterpillar 770
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Contents:
Dimensions
| Overall Length | 28.67 ft in (8738.62 mm) |
| Overall Width | 15.59 ft in (4751 mm) |
| Overall Height | 10.24 ft in (3120 mm) |
| Wheelbase | 12.99 ft in (3960 mm) |
| Ground Clearance | 2.23 ft in (679.71 mm) |
| Dump Height | 27.17 ft in (8280 mm) |
| Dump Ground Clearance | 1.58 ft in (498 mm) |
| Inside Body Depth - Maximum | 4.35 ft in (1.33 m) |
| Inside Body Length | 18.21 ft in (5.56 m) |
| Dump Clearance | 1.52 ft in (0.47 m) |
| Centerline Front Tire Width | 10.2 ft in (3.11 m) |
| Centerline Of Rear Dual Tire Width | 8.32 ft in (2.54 m) |
| Loading Height - Empty | 10.24 ft in (3.13 m) |
| Operating Width | 15.59 ft in (4751.84 mm) |
| Overall Body Length | 26.81 ft in (8.18 m) |
| Overall Canopy Width | 13 ft in (3.97 m) |
| Overall Height - Body Raised | 27.17 ft in (8.29 m) |
| Overall Tire Width | 12.12 ft in (3.7 m) |
| Inside Body Width | 12.13 ft in (3.7 m) |
| Rear Axle - Clearance | 1.67 ft in (0.51 m) |
| Rear Axle - Tail | 8.5 ft in (2.6 m) |
| Wheel Base | 13 ft in (3.97 m) |
| Engine Guard Clearance | 2.21 ft in (0.68 m) |
| Front Canopy Height | 13.58 ft in (4.14 m) |
| Height - Top Of Rops | 12.83 ft in (3.92 m) |
Dump
| Dump Angle | 47.5 degrees |
| Load Capacity - Struck | 22.4 yd3 (17.11 m3) |
| Load Capacity - Heaped | 32.9 yd3 (25.1 m3) |
| Rated Payload | 80000 lb (36287.4 kg) |
| Lower Time | 12.5 sec |
| Raise Time | 9.5 sec |
Engine
| Number Of Cylinders | 6 |
| Engine Make | 2236 |
| Engine Model | C15 ACERT |
| Net Power | 476 hp (355 kw) |
| Gross Power | 511 hp (381 kw) |
| Power Measured @ | 1800 rpm |
| Max Torque | 1711 lb ft (2319.9 Nm) |
| Displacement | 927.6 cu in (15.3 L) |
| Aspiration | Turbocharged |
| Peak Torque | 1711 lb ft (2319.9 Nm) |
| Bore | 5.4 in (137.2 mm) |
| Stroke | 6.7 in (170.2 mm) |
| Net Power - Sae J1349 | 476 hp (355 kw) |
| Net Power - 80/1269/Eec | 476 hp (355 kw) |
| Gross Power - Sae J1995 | 511 hp (381.1 kw) |
| Engine Model | Cat C15 ACERT |
| Rated Engine Speed | 1800 rpm |
| Net Power - Iso 9249:1997 | 476 hp (355 kw) |
Operational
| Fuel Capacity | 140 gal (530 L) |
| Cooling System Fluid Capacity | 30 gal (114 L) |
| Engine Oil Capacity | 56 gal (15 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 | 25 gal (95 L) |
| Tire Size | 18.00R33(E4) |
Transmission
| Transmission Type | Power Shift |
| Number Of Gears - Forward | 7 |
| Number Of Gears - Reverse | 1 |
| Max Speed | 46.5 mph (74.8 km/h) |
| Reverse | 9.9 mile/h |
| Forward - 1 | 7.5 mph (12.1 km/h) |
| Forward - 2 | 10.3 mph (16.6 km/h) |
| Forward - 3 | 14 mph (22.6 km/h) |
| Forward - 4 | 18.8 mph (30.3 km/h) |
| Forward - 5 | 25.4 mph (40.9 km/h) |
| Forward - 6 | 34.3 mph (55.3 km/h) |
| Forward - 7 | 46.5 mph (74.9 km/h) |
Steering
| Steering Standards | ISO 5010:1992 |
| Steer Angle | 40 degrees |
Weights
| Empty Weight | 75490 lb (34242 kg) |
| Loaded Weight | 157000 lb (71214 kg) |
| Weight Distribution Front - Empty | 48 % |
| Weight Distribution Rear - Empty | 52 % |
| Weight Distribution Front - Loaded | 34 % |
| Weight Distribution Rear - Loaded | 66 % |
Tires
| Standard Tire | 18.00R33 (E4) |
Brakes
| Brake Surface - Front | 216 in2 (0.2 m2) |
| Brake Surface - Rear | 6235 in2 (4.1 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%) | 80000 lb (36287.4 kg) |
| Top Speed - Loaded | 46.5 mph (74.9 km/h) |
| Maximum Capacity | 80000 lb (36287.4 kg) |
| Body Capacity - Sae 2:1 | 32.8 yd3 (25.1 m3) |
| Target Payload Capacity | 80000 lb (36287.4 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 | 9 gal (34.1 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 | 157000 lb (71214.1 kg) |
| Chassis Weight | 53380 lb (24212.8 kg) |
| Body Weight | 22110 lb (10029 kg) |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 21.5 yd3 (16.5 m3) |
| Heaped 2:1 (Sae) | 32.8 yd3 (25.1 m3) |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 21.5 yd3 (16.5 m3) |
| Heaped 2:1 (Sae) | 32.8 yd3 (25.1 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) |
