785G Mining Truck

Engine

Engine Model

Cat 3512E HD

Gross Power - SAE J1995

1600 hp

Bore

6.7 in

Stroke

8.5 in

Displacement

3573 in3

Gross Power – SAE J1995:2014

1600 hp

Note

Power rating conditions: – At 1,650 rpm rated speed based on SAE J1995:2014 standard air inlet conditions of 25° C (77° F) and 99 kPa (29.31 in Hg) dry barometric pressure. – Based on fuel of 35° API gravity (at 15.6° C or 60° F) having a LHV of

Note

No engine derating required up to 2987 m (9800 ft) altitude per standard conditions.

Emissions

Meets U.S. EPA Tier 4 Final emissions standards.

Note

Selectable 1,450 hp configuration.

Weights – Approximate

Empty Operating Chassis Weight

186661 lb

Body Weight Range

21 275 kg-30 623 kg (46,903 lb-67,512 lb)

Note

Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel.

Note

Estimated weight of debris is not included in operating chassis weight.

Note

Body weight varies depending on body selection and configuration.

Operating Specifications

Nominal Payload Capacity

146 tons

Gross Machine Operating Weight (GMW) (33R51 tires)

550000 lb

Gross Machine Operating Weight (GMW) (36R51 tires)

564000 lb

Nominal Payload Capacity (33.00R51 tires)*

146 tons

Nominal Payload Capacity (36.00R51 tires)*

148 tons

Note

GMW depends on tire selection. Consult your tire manufacturer for maximum loaded top speed.

Note

Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.

Note

*Includes standard liners and MSD II (Mine Specific Design) body.

Transmission

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

Reverse

6.8 mph

Total Final Drive Reduction Ratio

22.75:1

Note

Maximum travel speeds with standard 33.00-R51 tires.

Suspension

Cylinder Stroke – Front

12.6 in

Cylinder Stroke – Rear

6.5 in

Body Hoists

Body Raise Time– High Idle

15.2 Seconds

Body Lower Time- Float High Idle

15.9 Seconds

Body Lower Time– Float Low Idle

16.2 Seconds

Body Power Down– High Idle

15.9 Seconds

Note

Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage.

Note

Power raise in both stages; power down in second stage.

Note

Automatic body lower modulation reduces impact on frame.

Braking System

Brake Surface – Front

9487 in2

Standards

ISO 3450:2011

Note

Oil cooled four corner hydraulic actuated disc brakes.

Brake Surface – Rear

13908 in2

Weight Distributions – Approximate

Front Axle – Loaded (target)

33%

Rear Axle – Loaded (target)

67%

Front Axle – Empty

48%

Rear Axle – Empty

52%

Service Refill Capacities

Cooling System

100 gal

Steering Tank

29 gal

Fuel Tank

410 gal

Engine Crankcase

54 gal

Differentials and Final Drives

139 gal

DEF Tank

36 gal

Steering System (includes tank)

45 gal

Brake/Hydraulic Tank

135 gal

Brake/Hoist System (includes tank)

160 gal

Torque Converter/Transmission System (includes sump)

46 gal

Note

Separate steering system and separate torque converter/transmission system prevents cross contamination.

Note

Contact your local Cat dealer for DEF infrastructure recommendations.

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)

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)

Note

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

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.

Steering

Steering Standards

ISO 5010:2007

Turning Diameter – ISO 7457:1997 (33.00R51 tires)

97.75 ft

Machine Clearance Diameter – ISO 7457:1997 (33.00R51 tires)

108.92 ft

Steering Angle

36 degrees

Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)

Height to Top of ROPS

17.09 ft

Overall Body Length

39.32 ft

Inside Body Length

27.29 ft

Overall Length

39.23 ft

Wheelbase

17.00 ft

Rear Axle to Tail

12.56 ft

Ground Clearance

3.29 ft

Dump Clearance

3.70 ft

Loading Height – Empty

17.39 ft

Rear Sidewall Height

2.87 ft

Inside Body Depth – Maximum

9.15 ft

Overall Height – Body Raised

39.48 ft

Operating Width

24.72 ft

Centerline Front Tire Width

15.91 ft

Engine Guard Clearance

3.41 ft

Overall Canopy Width

24.81 ft

Outside Body Width

22.00 ft

Inside Body Width

19.72 ft

Front Canopy Height

19.80 ft

Rear Axle Clearance

3.25 ft

Centerline Rear Dual Tire Width

14.06 ft

Overall Tire Width

20.59 ft

Tires

Standard Tire

33.00R51 (E3 and E4)

Optional Tire

36.00R51 (Michelin and Bridgestone)

Note

Productive capabilities of the 785G truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.

Note

Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.

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

Body weight only. Does not include liners.

Note

Contact your local Cat dealer for site specific body recommendations.