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785D

Mining Trucks

The Cat® 785 model was Caterpillar’s first entry into the mining industry more than three decades ago and has been a proven performer on sites around the world ever since. The 785D carries on that tradition.It’s engineered for performance, designed for comfort and built to last. Developed specifically for high production mining applications, the 785D keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine, while easy maintenance procedures ensure high reliability and long life with low operating costs.

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Gross Power - SAE J1995 1082 kW
Net Power - SAE J1349 1005 kW
Engine Model Cat® 3512C HD
Bore 170 mm
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785D
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OVERVIEW

High Volume. High Reliability . Lower Costs.

FEATURES & BENEFITS

PRODUCTIVITY

The 785D is powered by the 3512C HD engine, a 12-cylinder, four-stroke design that uses long, effective power strokes for more complete fuel combustion and optimum fuel e... Read more

SAFETY

Access and egress are safer thanks to the 600-mm-wide (24-in-wide) diagonal stairway, slip-resistant surfaces and hand rails, plus an optional powered access ladder.Super... Read more

OPERATOR COMFORT

Operators enjoy an ergonomic layout, excellent all-around visibility, and controls, levers, switches and gauges that are positioned for ease of use.The integral, sound-su... Read more

SERVICEABILITY

Time spent on regular maintenance procedures is reduce with easy access to daily service points and major components; ground-level access to tanks, filters, drains and en... Read more

DURABILITY AND LONG LIFE

The 785D frame uses a box-section design, incorporating two forgings and 24 castings in high-stress areas with deep penetrating and continuous wrap-around welds to resist... Read more

CAT BODIES

Cat bodies are the best choice for the 785D. They’re designed to be an integral part of the entire vehicle system, ensuring you achieve maximum chassis life. The High Per... Read more

SUSTAINABILITY

We’ve designed the 785D with a number of enhancements that lessen its impact on the environment. Features like engine oil renewal systems and continuous rear axle filtrat... Read more

TECHNOLOGY SOLUTIONS

MineStar Fleet is a fleet monitoring system that can be used to measure, manage and maximize the overall hauling operation.The MineStar Detect in-cab Driver Safety System... Read more

SPECIFICATIONS FOR 785D

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Engine
Gross Power - SAE J1995 1082 kW
Net Power - SAE J1349 1005 kW
Engine Model Cat® 3512C HD
Bore 170 mm
Stroke 215 mm
Displacement 58.56 l
Weights - Approximate
Rated Gross Machine Weight 249476 kg
Body Weight - MSD 21200 kg
Chassis Weight 83130 kg
Nominal Rated Payload 141 t
Transmission
Forward - 1 12.1 km/h
Forward - 2 16.3 km/h
Forward - 3 22.2 km/h
Forward - 4 29.9 km/h
Forward - 5 40.6 km/h
Forward - 6 54.8 km/h
Reverse 11 km/h
Top Speed - Loaded 54.8 km/h
Final Drives
Differential Ratio 2.10:1
Planetary Ratio 10.83:1
Total Reduction Ratio 22.75:1
Suspension
Effective Cylinder Stroke - Front 320 mm
Effective Cylinder Stroke - Rear 165 mm
Brakes
Brake Surface - Front 61269 cm²
Brake Surface - Rear 89727 cm²
Standards ISO 3450:2011
Body Hoists
Pump Flow - High Idle 750 l/min
Relief Valve Setting - Raise 17238 kPa
Body Raise Time - High Idle 15.2 s
Body Lower Time - High Idle 15.9 s
Body Lower Time - Float 16.2 s
Body Power Down - High Idle 15.9 s
Body - Dual Slope
Body Weight 22295 kg
Heaped (SAE 2:1) 78 m³
Body - X
Body Weight 25160 kg
Heaped (SAE 2:1) 85 m³
Steering
Turning Diameter - Front 29.8 m
Steer Angle 24 °
Steering Standards ISO 5010:2007
Weight Distributions - Approximate
Front Axle - Empty* 45-46%
Rear Axle - Empty* 54-55%
Front Axle - Loaded - Target 33 %
Rear Axle - Loaded - Target 67 %
Rear Axle - Loaded *Depends on body configuration.
Rear Axle - Empty *Depends on body configuration.
Note Weight distributions optimized with Cat body.
Service Refill Capacities
Fuel Tank - Standard 1893 l
Cooling System 379 l
Crankcase 204 l
Differential - Final Drives 436 l
Steering Tank 90 l
Steering System - Including Tank 117 l
Brake/Hoist Hydraulic Tank 337 l
Brake Hoist System - Includes Tank 641 l
Torque Converter/Transmission System - Including Sump 248 l
ROPS
ROPS Standards SAE J1040 APR88 ISO 3471:1994
Sound
Sound Standards The dynamic operator sound pressure levels are measured according to work cycle procedures specified in ISO 6396:2008 is 80 dB(A).
Sound Standards (1) The dynamic exterior sound power level for the standard machine is tested using ISO 6395:2008 procedures is 121 dB(A).
Sound Standards (2) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Tires
Standard Tires 33.00-R51 (E3 & E4)
Berat - Pendekatan
Kisaran Bobot Kerja Chassis Kosong (EOMW, Operating Chassis Weight Range Empty) Minimum/Maksimum
Cab
Heater / Defroster 34462 Btu/kWh
Air Conditioning 6.9 kW (23,543 BTU/hr)
ROPS Standards (1) ISO 3471:2008 and ISO13459:2012
FOPS Standards ISO 3449:2005 Level II and ISO 13459:2012 Level II

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Standard Gross Power - SAE J1995 2610 kW
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Gross Power - SAE J1995 1864 kW
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Gross Power - SAE J1995 1801 kW
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Gross Power - SAE J1995 2983 kW
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