- Overall Length: 32.1 ft / 9781.04 mm
- Overall Width: 20.02 ft / 6100 mm
- Overall Height: 16.41 ft / 5000 mm
- Wheelbase: 15 ft / 4570 mm
Published dimensions and weight
Caterpillar 777D
Weighing roughly 64.3 t and rated at 938 hp, the Caterpillar 777D is a rock truck in its size class.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale
01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values125
Rigid rock trucks are commonly used to haul rock and bulk material on mines, quarries and large earthmoving sites. Published rows for Caterpillar 777D include published payload of 200000 lb / 90718.48 kg, published engine power of 1000 hp / 745.7 kw, published maximum speed of 37.6 mph / 60.4 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (32.1 ft / 9781.04 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (20.02 ft / 6100 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (16.41 ft / 5000 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length32.1 ft9781.04 mm
Overall Width20.02 ft6100 mm
Overall Height16.41 ft5000 mm
Wheelbase15 ft4570 mm
Ground Clearance2.46 ft749.81 mm
Dump Height32.71 ft9970 mm
Dump Ground Clearance2.87 ft872 mm
Inside Body Depth - Maximum6.3 ft1.93 m
Inside Body Length23.73 ft7.24 m
Inside Body Width17.06 ft5.2 m
Operating Width20.03 ft6105.15 mm
Outside Body Width18.12 ft5.53 m
Overall Body Length31.3 ft9.55 m
Overall Canopy Width19.11 ft5.83 m
Overall Height - Body Raised33 ft10.06 m
Loading Height - Empty14.37 ft4.38 m
Centerline Front Tire Width13.69 ft4.18 m
Centerline Of Rear Dual Tire Width11.75 ft3.59 m
Dump Clearance3.1 ft0.95 m
Engine Guard Clearance2.33 ft0.72 m
Front Canopy Height16.61 ft5.06 m
Height - Top Of Rops14.8 ft4.52 m
Overall Tire Width17.27 ft5.27 m
Rear Axle - Clearance2.5 ft0.77 m
Rear Axle - Tail9.11 ft2.78 m
Wheel Base14.99 ft4.57 m
Dump
Rated Payload200000 lb90718.48 kg
Load Capacity - Heaped79.14 yd360.5 m3
Load Capacity - Struck54.94 yd342 m3
Raise Time15 sec15 sec
Engine
Number Of Cylinders88
Engine Make22362236
Engine Model3508A3508A
Gross Power1000 hp745.7 kw
Net Power938 hp699.5 kw
Max Torque3476.2 lb ft4713 Nm
Displacement2105 cu in34.5 L
Torque Measured @1300 rpm1300 rpm
Torque Rise23 %23 %
Bore6.7 in170.2 mm
Stroke7.5 in190.5 mm
Net Power - Cat938 hp699.5 kw
Net Power - Iso 9249938 hp699.5 kw
Net Power - Sae J1349938 hp699.5 kw
Net Power - 80/1269/Eec938 hp699.5 kw
Gross Power - Sae J19951000 hp745.7 kw
Flywheel Power938 hp699.5 kw
Rated Engine Speed1750 rpm1750 rpm
Operational
Fuel Capacity300.4 gal1137 L
Cooling System Fluid Capacity85.9 gal325 L
Engine Oil Capacity32.8 gal124 L
Diff And Final Drive Fluid Capacity87 gal329 L
Steering System Fluid Capacity22.2 gal84 L
Brake/Hoist System Fluid Capacity109.7 gal415 L
Hydraulic System Fluid Capacity36.5 gal138 L
Transmission
Transmission Typeautomatic power shiftautomatic power shift
Number Of Gears - Forward77
Number Of Gears - Reverse11
Max Speed37.6 mph60.4 km/h
Reverse7.4 mile/h7.4 mile/h
Forward - 16.5 mph10.5 km/h
Forward - 28.9 mph14.4 km/h
Forward - 312 mph19.4 km/h
Forward - 416.2 mph26.1 km/h
Forward - 521.9 mph35.3 km/h
Forward - 629.4 mph47.4 km/h
Forward - 739.9 mph64.3 km/h
Steering
Steering StandardsSAE J1511 OCT90, ISO 5010:1992 (E)SAE J1511 OCT90, ISO 5010:1992 (E)
Steer Angle31.8 degrees31.8 degrees
Weights
Empty Weight155000 lb70306.9 kg
Loaded Weight355010.5 lb161030 kg
Weight Distribution Front - Empty45.4 %45.4 %
Weight Distribution Rear - Empty54.6 %54.6 %
Weight Distribution Front - Loaded33.3 %33.3 %
Weight Distribution Rear - Loaded66.7 %66.7 %
Tires
Standard Tire27.00-R49 (E4)27.00-R49 (E4)
Brakes
Brake Surface - Front432 in20.3 m2
Brake Surface - Rear15828 in210.3 m2
Brake StandardsISO 3450: 1996; SAE J1473 OCT90ISO 3450: 1996; SAE J1473 OCT90
Body Hoists
Pump Flow - High Idle119 gal/min119 gal/min
Relief Valve Setting - Raise2750 psi2750 psi
Body Raise Time - High Idle15 s15 s
Body Lower Time - Float13 s13 s
Body Power Down - High Idle13 s13 s
Relief Valve Setting - Lower3450 psi3450 psi
Final Drives
Planetary Ratio7.00:17.00:1
Differential Ratio2.74:12.74:1
Total Reduction Ratio19.16:119.16:1
Operating Specifications
Circle Clearance Diameter85.5 ft26.1 m
Nominal Payload Class (100%)178920 lb81156.7 kg
Top Speed - Loaded39.9 mph64.3 km/h
Body Capacity - Struck55.1 yd342.1 m3
Maximum Capacity178920 lb81156.7 kg
Raise Time15 s15 s
Lower Time14 s14 s
Steer Angle31.8 degrees31.8 degrees
Body Capacity - Sae 2:178.6 yd360.1 m3
Service Refill Capacities
Cooling System86 gal325.6 L
Differential - Final Drives87 gal329.4 L
Steering Tank15 gal56.8 L
Steering System - Including Tank22 gal83.3 L
Fuel Tank300 gal1135.7 L
Torque Converter - Transmission System - Including Sump36.5 gal138.1 L
Torque Converter - Brake - Hoist Hydraulic Tank66 gal249.9 L
Brake Hoist System - Includes Tank109.7 gal415 L
Torque Converter - Brake - Hoist System - Including Tank133 gal503.5 L
Weight Distributions - Approximate
Front Axle - Empty47 %47 %
Front Axle - Loaded33 %33 %
Rear Axle - Empty53 %53 %
Rear Axle - Loaded67 %67 %
Weights - Approximate
Operating Weight - Empty141749 lb64296.3 kg
Operating Weight - Loaded355000 lb161025.4 kg
Target Gross Machine Operating Weight360000 lb163293.3 kg
Chassis Weight107100 lb48579.8 kg
Body Weight34800 lb15785.1 kg
Capacity - Dual Slope - 100% Fill Factor
Struck55 yd342.1 m3
Heaped 2:1 (Sae)78.6 yd360.1 m3
Rops
Rops/Fops StandardsSAE J1040 MAY94, ISO 3471:1997SAE J1040 MAY94, ISO 3471:1997
Sound
Sound StandardsANSI/SAE J1166 MAY90, SAE J88 JUN96ANSI/SAE J1166 MAY90, SAE J88 JUN96
Suspension
Rear Axle - Oscillation5.4 degrees5.4 degrees
Effective Cylinder Stroke - Front12.5 in317.5 mm
Effective Cylinder Stroke - Rear6.5 in165.1 mm
Approximate Weights - Dual Slope
Body34785 lb15778.3 kg
Chassis106964 lb48518.1 kg
Approximate Weights - Dual Slope Lined
Body46840 lb21246.3 kg
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