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Caterpillar

777D

Off-Highway Truck

Max Speed
37.6 mph
Gross Power
1,000.0 hp
Net Power
938.0 hp
All off-highway trucks
Caterpillar 777D Off-Highway Truck
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Specifications

103 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity300.4 gal
Engine Oil Capacity32.8 gal
Cooling System Fluid Capacity85.9 gal
Alternator Supplied Amperage—
Steering System Fluid Capacity22.2 gal
Diff and Final Drive Fluid Capacity87.0 gal
Brake/Hoist System Fluid Capacity109.7 gal
Top Speed - Loaded39.9 mph
Nominal Payload Capacity87 lb
Body Capacity - SAE 2:178.59 yd³
Maximum Capacity178,920 lb
Nominal Payload Class (100%)178,920 lb
Lower Time14.0 s
Raise Time15.0 s
Body Capacity - Struck55.10 yd³
Steer Angle32 °
Circle Clearance Diameter1,026 in

Engine

Engine specifications
Engine ModelCat 3508B EUI
Displacement2,105 in³
Gross Power1,000.0 hp
Net Power938.0 hp
Number of Cylinders8
Torque Measured @1,300 rpm
Max Torque3,476 lb-ft
Stroke8 in
Bore7 in
Gross Power - SAE J19951,000.0 hp
Net Power - ISO 9249938.0 hp
Net Power - SAE J1349938.0 hp
Flywheel Power938.0 hp
Net Power - 80/1269/EEC938.0 hp
Net Power - Cat938.0 hp

Weights

Weights specifications
Front Axle - empty—
Rear Axle - empty—
Front Axle - loaded—
Rear Axle - loaded—
Empty Weight155,000 lb
Loaded Weight355,011 lb
Weight Distribution Front - loaded33.3 %
Weight Distribution Rear - loaded66.7 %
Weight Distribution Front - empty45.4 %
Weight Distribution Rear - empty54.6 %
Chassis Weight107,100 lb

Dimensions

Dimensions specifications
Ground Clearance30 in
Wheelbase180 in
Overall Length385 in
Overall Width241 in
Overall Height198 in
Dump Height394 in
Dump Ground Clearance35 in
Wheel Base180 in
Operating Width241 in
Loading Height - Empty173 in
Overall Height - Body Raised396 in
Centerline Front Tire Width165 in
Front Canopy Height199 in
Inside Body Length285 in

Transmission

Transmission specifications
Max Speed37.6 mph
Number of Gears - Forward7
Number of Gears - Reverse1
Forward - 16.5 mph
Forward - 28.9 mph
Forward - 312.0 mph
Forward - 416.2 mph
Forward - 521.9 mph
Forward - 629.4 mph
Forward - 739.9 mph
Reverse7.4 mph

Brakes & Steering

Brakes & Steering specifications
Standards2.74:1
Brake Surface - Rear15,828 in³

Tires & Wheels

Tires & Wheels specifications
Standard Tires432
Standard Tire27.00-R49 (E4)

Service Refill Capacities

Service Refill Capacities specifications
Brake/Hoist Hydraulic Tank199,978.2 gal
Cooling System86.0 gal
Fuel Tank300.0 gal
Steering System - Including Tank22.0 gal
Steering Tank15.0 gal
Brake Hoist System - Includes Tank109.7 gal
Torque Converter - Transmission System - Including Sump36.5 gal
Torque Converter - Transmission Sump107,088.3 gal
Differential - Final Drives87.0 gal
Torque Converter - Brake - Hoist Hydraulic Tank66.0 gal

Dump

Dump specifications
Rated Payload200,000 lb
Dump Angle—
Raise Time15.0 s
Load Capacity - heaped79.20 yd³
Load Capacity - Struck55.00 yd³

Steering System

Steering System specifications
Steering StandardsSAE J1511 OCT90 ISO 5010:1992 (E)
Steer Angle32 °
Turning Circle - Clearance DiameterISO 3450: 1996; SAE J1473 OCT90 ft (0.00 m)

Sound

Sound specifications
Sound StandardsANSI/SAE J1166 MAY90 SAE J88 JUN96

Approximate Weights - Flat Floor

Approximate Weights - Flat Floor specifications
Body1,300 lb

Body Hoists

Body Hoists specifications
Pump Flow - High Idle119.0 gal/min
Relief Valve Setting - Raise2,750 psi
Body Raise Time - High Idle15.0 s
Body Lower Time - Float13.0 s

Final Drives

Final Drives specifications
Planetary Ratio7.00:1
Total Reduction Ratio19.16:1

ROPS

ROPS specifications
ROPS StandardsANSI/SAE J1166 MAY90 SAE J88 JUN96

Capacity - Flat Floor - 100% Fill Factor

Capacity - Flat Floor - 100% Fill Factor specifications
Heaped 2:1 (SAE)—

Approximate Weights - Dual Slope

Approximate Weights - Dual Slope specifications
Chassis106,964 lb
Body34,785 lb

Capacity - Dual Slope - 100% Fill Factor

Capacity - Dual Slope - 100% Fill Factor specifications
Heaped 2:1 (SAE)78.59 yd³

Comparable machines

Other off-highway trucks in a similar weight class.