Cat Mining Trucks 785G (Tier 4)
Gross Power:
1193.0 kW
Displacement:
58.56 l
Product Feature
Performance
The 785G 3512E HD engine gives you the choice of power ratings: 1,450 hp to match your current fleet performance or 1,600 hp for faster cycle times. Advanced Productivity Electronic Control Strategy for Transmission delivers a smoother ride, better acceleration and gear optimization.
Safety
Standard Cat® Detect system, LED lighting, 600 mm (24 in) wide walkways, guarding of rotating components and hydraulic brake system with enhanced traction control system. Optional Working at Heights and Powered Access stairway.
Serviceability
Modular HVAC system, modular radiator, improved ground level serviceability, oil sight glass, 1,000 hour hydraulic filter, and Tier 4 SCR system improves serviceability and reduces downtime.
Operator Environment
New, quieter and larger, ergonomic deluxe cab. Electronic transmission controls and Cat comfort seats provides a smoother ride. Full size trainer door and improved head clearance on platform.
Operating Cost
Improved 3512E HD engine meets U.S. EPA Tier 4 Final emission standards, and the features Cat Selective Catalytic Reduction (SCR) system that provides the least Total Fluid Consumption cost with greater reliability.
Tire Options
With 36R51 tire option, particularly flat long haul high speed applications can take advantage of higher payload and higher TKPH.
Product Parameter
Overview
Engine
Units:
| Engine Model | Cat 3512E HD | Cat 3512E HD |
| Gross Power - SAE J1995 | 1600.0 HP | 1193.0 kW |
| Bore | 6.7 in | 170.0 mm |
| Stroke | 8.5 in | 215.0 mm |
| Displacement | 3573.0 in³ | 58.56 l |
| Gross Power - SAE J1995:2014 | 1600.0 HP | 1193.0 kW |
| Note (1) | 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 42 780 kJ | 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 42 780 kJ |
| Note (2) | No engine derating required up to 2987 m (9800 ft) altitude per standard conditions. | No engine derating required up to 2987 m (9800 ft) altitude per standard conditions. |
| Emissions | Meets U.S. EPA Tier 4 Final emissions standards. | Meets U.S. EPA Tier 4 Final emissions standards. |
| Note (3) | Selectable 1,450 hp configuration. | Selectable 1,450 hp configuration. |
Weights - Approximate
| Body Weight Range | 21 275 kg-30 623 kg (46,903 lb-67,512 lb) | 21 275 kg-30 623 kg (46,903 lb-67,512 lb) |
| Empty Operating Chassis Weight | 186661.0 lb | 84668.0 kg |
| Note (1) | Chassis weight includes standard mandatory attachments, 33R51 tires, all operating fluid levels full and 100% fuel. | 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. | Estimated weight of debris is not included in operating chassis weight. |
| Note (3) | Body weight varies depending on body selection and configuration. | Body weight varies depending on body selection and configuration. |
Operating Specifications
| Nominal Payload Capacity | 146.0 ton (US) | 132.0 t |
| Gross Machine Operating Weight (GMW) (33R51 tires) | 550000.0 lb | 249476.0 kg |
| Gross Machine Operating Weight (GMW) (36R51 tires) | 564000.0 lb | 255826.0 kg |
| Nominal Payload Capacity (33.00R51 tires)* | 146.0 ton (US) | 132.0 t |
| Nominal Payload Capacity (36.00R51 tires)* | 148.0 ton (US) | 134.0 t |
| Note (1) | GMW depends on tire selection. Consult your tire manufacturer for maximum loaded top speed. | 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. | Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations. |
| Note (3) | *Includes standard liners and MSD II (Mine Specific Design) body. | *Includes standard liners and MSD II (Mine Specific Design) body. |
Transmission
| Forward - 1 | 7.5 mile/h | 12.1 km/h |
| Forward - 2 | 10.2 mile/h | 16.3 km/h |
| Forward - 3 | 13.8 mile/h | 22.2 km/h |
| Forward - 4 | 18.6 mile/h | 29.9 km/h |
| Forward - 5 | 25.2 mile/h | 40.6 km/h |
| Forward - 6 | 34.0 mile/h | 54.8 km/h |
| Reverse | 6.8 mile/h | 11.0 km/h |
| Note | Maximum travel speeds with standard 33.00-R51 tires. | Maximum travel speeds with standard 33.00-R51 tires. |
| Total Final Drive Reduction Ratio | 22.75:1 | 22.75:1 |
Suspension
| Cylinder Stroke - Front | 12.6 in | 320.0 mm |
| Cylinder Stroke - Rear | 6.5 in | 165.0 mm |
Body Hoists
| Body Lower Time - Float High Idle | 15.9 s | 15.9 s |
| Body Lower Time - Float Low Idle | 16.2 s | 16.2 s |
| Body Power Down- High Idle | 15.9 s | 15.9 s |
| Body Raise Time - High Idle | 15.2 s | 15.2 s |
| Note (1) | Twin, two-stage hydraulic cylinder mounted outside main frame; double-acting cylinders in second stage. | 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. | Power raise in both stages; power down in second stage. |
| Note (3) | Automatic body lower modulation reduces impact on frame. | Automatic body lower modulation reduces impact on frame. |
Braking System
| Brake Surface - Front | 9487.0 in² | 61270.0 cm² |
| Brake Surface - Rear | 13908.0 in² | 89728.0 cm² |
| Note | Oil cooled four corner hydraulic actuated disc brakes. | Oil cooled four corner hydraulic actuated disc brakes. |
| Standards | ISO 3450:2011 | ISO 3450:2011 |
Weight Distributions - Approximate
| Front Axle - Empty | 48% | 48% |
| Front Axle - Loaded - Target | 33% | 33% |
| Rear Axle - Empty | 52% | 52% |
| Rear Axle - Loaded - Target | 67% | 67% |
Service Refill Capacities
| Cooling System | 100.0 gal (US) | 379.0 l |
| Steering Tank | 29.0 gal (US) | 110.0 l |
| Brake Hoist System - Includes Tank | 160.0 gal (US) | 606.0 l |
| Brake/Hydraulic Tank | 135.0 gal (US) | 511.0 l |
| DEF Tank | 36.0 gal (US) | 136.0 l |
| Differential - Final Drives | 139.0 gal (US) | 527.0 l |
| Engine Crankcase | 54.0 gal (US) | 204.0 l |
| Fuel Tank | 410.0 gal (US) | 1552.0 l |
| Steering System - Includes Tank | 45.0 gal (US) | 170.0 l |
| Note (1) | Separate steering system and separate torque converter/transmission system prevents cross contamination. | Separate steering system and separate torque converter/transmission system prevents cross contamination. |
| Note (2) | Contact your local Cat dealer for DEF infrastructure recommendations. | Contact your local Cat dealer for DEF infrastructure recommendations. |
| Torque Converter - Transmission System - Including Sump | 46.0 gal (US) | 175.0 l |
ROPS
| ROPS Standards | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS and ISO 13459:2012 criteria. | 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. | 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) | 77.0 dB(A) | 77.0 dB(A) |
| Cooling Fan Drive - Direct Drive - Machine Sound Level (ISO 6395:2008) | 121.0 dB(A) | 121.0 dB(A) |
| Cooling Fan Drive - Optional Clutch - Machine Sound Level (ISO 6395:2008) | 120.0 dB(A) | 120.0 dB(A) |
| Cooling Fan Drive - Optional Clutch - Operator Sound Level (ISO 6396:2008) | 75.0 dB(A) | 75.0 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. | 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. | 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
| Machine Clearance Diameter - ISO 7457:1997 (33.00R51 tires) | 108.92 ft | 33.2 m |
| Steering Angle | 36 degrees | 36 degrees |
| Turning Diameter - ISO 7457:1997 (33.00R51 tires) | 97.75 ft | 29.8 m |
| Steering Standards | ISO 5010:2007 | ISO 5010:2007 |
Body
| Note (1) | Body weight only. Does not include liners. | Body weight only. Does not include liners. |
| Note (2) | Contact your local Cat dealer for site specific body recommendations. | Contact your local Cat dealer for site specific body recommendations. |
| Standard Dual Slope Volume (SAE 2:1) | 102.0 yd³ | 78.0 m³ |
| Standard Dual Slope Weight | 51892.0 lb | 23538.0 kg |
| Standard MSD Volume (SAE 2:1) | 130.0 yd³ | 99.0 m³ |
| Standard MSD Weight | 46711.0 lb | 21188.0 kg |
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
| Centerline Front Tire Width | 15.91 ft | 4850.0 mm |
| Centerline of Rear Dual Tire Width | 14.06 ft | 4285.0 mm |
| Dump Clearance | 3.7 ft | 1128.0 mm |
| Engine Guard Clearance | 3.41 ft | 1038.0 mm |
| Front Canopy Height | 19.8 ft | 6035.0 mm |
| Ground Clearance | 3.29 ft | 1004.0 mm |
| Height - Top of ROPS | 17.09 ft | 5208.0 mm |
| Inside Body Depth - Maximum | 9.15 ft | 2790.0 mm |
| Inside Body Length | 27.29 ft | 8318.0 mm |
| Inside Body Width | 19.72 ft | 6010.0 mm |
| Loading Height - Empty | 17.39 ft | 5299.0 mm |
| Operating Width | 24.72 ft | 7535.0 mm |
| Outside Body Width | 22.0 ft | 6714.0 mm |
| Overall Body Length | 39.32 ft | 11985.0 mm |
| Overall Canopy Width | 24.81 ft | 7562.0 mm |
| Overall Height - Body Raised | 39.48 ft | 12032.0 mm |
| Overall Length | 39.23 ft | 11957.0 mm |
| Overall Tire Width | 20.59 ft | 6277.0 mm |
| Rear Axle - Clearance | 3.25 ft | 990.0 mm |
| Rear Axle - Tail | 12.56 ft | 3829.0 mm |
| Rear Sidewall Height | 2.87 ft | 874.0 mm |
| Wheel Base | 17.0 ft | 5180.0 mm |
Tires
| 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. | 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. | Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. |
| Optional Tire | 36.00R51 (Michelin and Bridgestone) | 36.00R51 (Michelin and Bridgestone) |
| Standard Tire | 33.00R51 (E3 and E4) | 33.00R51 (E3 and E4) |
