Caterpillar 785G Tier 4 Truck 

Manufacturer:Caterpillar

Price:N/A

Series:NA

Model:785G Tier 4

Equipment Type: Rock Trucks

Factory:NA

Full Specifications

Dimensions (All Dimensions Are Approximate. Msd I

Rear Axle ( Tail )
12.56 ft in
Overall Length
39.23 ft in
Ground Clearance
3.29 ft in
Dump Clearance
3.7 ft in
Engine Guard Clearance
3.41 ft in
Front Canopy Height
19.8 ft in
Height ( Top Of Rops )
17.09 ft in
Inside Body Depth ( Maximum )
9.15 ft in
Inside Body Length
27.29 ft in
Inside Body Width
19.72 ft in
Loading Height ( Empty )
17.39 ft in
Operating Width
24.72 ft in
Outside Body Width
22 ft in
Overall Body Length
39.32 ft in
Overall Canopy Width
24.81 ft in
Overall Height ( Body Raised )
39.48 ft in
Overall Tire Width
20.59 ft in
Rear Axle ( Clearance )
3.25 ft in
Rear Axle ( Tail )
12.56 ft in
Rear Sidewall Height
2.87 ft in
Centerline Front Tire Width
15.91 ft in
Wheel Base
17 ft in
Centerline Of Rear Dual Tire Width
14.06 ft in

Body

Standard Dual Slope Weight
51892 lb
Standard Dual Slope Volume (Sae 2:1)
102 yd3
Standard Msd Weight
46711 lb
Standard Msd Volume (Sae 2:1)
130 yd3
Note (1)
Body weight only. Does not include liners.
Note (2)
Contact your local Cat dealer for site specific body recommendations.

Engine

Displacement
3573 cu in
Bore
6.7 in
Stroke
8.5 in
Emissions
Meets U.S. EPA Tier 4 Final emissions standards.
Gross Power ( Sae J1995 )
1600 hp
Engine Model
Cat 3512E HD
Note (1)
Power rating conditions: At 1,650 rpm rated speed based on SAE J1995:2014 standard air inlet conditions of 25 degrees C (77 degrees F) and 99 kPa (29.31 in Hg) dry barometric pressure. Based on fuel of 35 degrees API gravity (at 15.6 degrees C or 60 degrees F) having a LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 29 degrees C (84.2 degrees F).
Note (2)
No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.
Note (3)
Selectable 1,450 hp configuration.
Gross Power ( Sae J1995:2014 )
1600 hp

Transmission

Reverse
6.8 mile/h
Forward ( 1 )
7.5 mph
Forward ( 2 )
10.2 mph
Forward ( 3 )
13.8 mph
Forward ( 4 )
18.6 mph
Forward ( 5 )
25.2 mph
Forward ( 6 )
34 mph
Note
Maximum travel speeds with standard 33.00-R51 tires.
Total Final Drive Reduction Ratio
22.75:1

Steering

Steering Standards
ISO 5010:2007
Steering Angle
36 degrees
Turning Diameter ( Iso 7457:1997 ) (33.00r51 Tires)
97.8 ft in
Machine Clearance Diameter ( Iso 7457:1997 ) (33.00r51 Tires)
109 ft in

Tires

Standard Tire
33.00R51 (E3 and E4)
Note (1)
Productive capabilities of the 785G truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Optional Tire
36.00R51 (Michelin and Bridgestone)

Body Hoists

Body Raise Time ( High Idle )
15.2 s
Note (1)
Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.
Note (2)
Power raise in both stages; power down in second stage.
Note (3)
Automatic body lower modulation reduces impact on frame.
Body Lower Time ( Float High Idle )
15.9 s
Body Lower Time ( Float Low Idle )
16.2 s
Body Power Down ( High Idle )
15.9 s

Operating Specifications

Note (1)
GMW depends on tire selection. Consult your tire manufacturer for maximum loaded top speed.
Note (2)
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Nominal Payload Capacity
292000 lb
Gross Machine Operating Weight (Gmw) (33r51 Tires)
550000 lb
Nominal Payload Capacity (36.00r51 Tires)*
296000 lb
Gross Machine Operating Weight (Gmw) (36r51 Tires)
564000 lb
Nominal Payload Capacity (33.00r51 Tires)*
292000 lb
Note (3)
*Includes standard liners and MSD II (Mine Specific Design) body.

Service Refill Capacities

Cooling System
100 gal
Differential ( Final Drives )
139 gal
Steering Tank
29 gal
Fuel Tank
410 gal
Torque Converter ( Transmission System ) ( Including Sump )
46 gal
Brake Hoist System ( Includes Tank )
160 gal
Def Tank
36 gal
Engine Crankcase
54 gal
Brake/Hydraulic Tank
135 gal
Note (1)
Separate steering system and separate torque converter/transmission system prevents cross contamination.
Note (2)
Contact your local Cat dealer for DEF infrastructure recommendations.
Steering System ( Includes Tank )
45 gal

Weight Distributions - Approximate

Front Axle ( Empty )
48%
Rear Axle ( Empty )
52%
Front Axle ( Loaded ) ( Target )
33%
Rear Axle ( Loaded ) ( Target )
67%

Weights - Approximate

Note (1)
Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel.
Note (2)
Estimated weight of debris is not included in operating chassis weight.
Note (3)
Body weight varies depending on body selection and configuration.
Body Weight Range
21 275 kg-30 623 kg (46,903 lb-67,512 lb)
Empty Operating Chassis Weight
186661 lb

Rops

Rops Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS and ISO 13459:2012 criteria.
Fops Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 and ISO 13459:2012 Level II criteria.

Sound

Cooling Fan Drive ( Direct Drive ) Operator Sound Level (Iso 6396:2008)
77 dB(A)
Note (1)
Testing done per specified standard work cycle procedures and conditions with 50% HVAC blower fan speed. Optional clutch control fan measurement done at 70% of maximum engine cooling fan speed.
Note (2)
Hearing protection may be needed when operating with an open operator station/cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Cooling Fan Drive ( Direct Drive ) ( Machine Sound Level (Iso 6395:2008))
121 dB(A)
Cooling Fan Drive ( Optional Clutch ) Operator Sound Level (Iso 6396:2008)
75 dB(A)
Cooling Fan Drive ( Optional Clutch ) Machine Sound Level (Iso 6395:2008)
120 dB(A)

Suspension

Cylinder Stroke ( Front )
12.6 in
Cylinder Stroke ( Rear )
6.5 in

Braking System

Standards
ISO 3450:2011
Brake Surface ( Rear )
13908 in2
Note
Oil cooled four corner hydraulic actuated disc brakes.
Brake Surface ( Front )
9487 in2

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