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Mining Trucks

Caterpillar builds Off-Highway Trucks specifically for work in mines, construction and quarries. Our Off-Highway Trucks are pass-matched with Cat Wheel Loaders and Hydraulic Excavators to speed cycle times and maximize productivity.

793D Mining Truck

The 793D Mining Truck is available in five merchandising arrangements: • Standard - for balanced all-around performance • Extended Life Wheel Groups - for long, uphill hauls • Extra Top Speed - for long, flat hauls • High Altitude Arrangement - for operations above 2750 m (9,000 ft)

  • Specification Summary

  • Nominal Payload Capacity 218.0 tonnes
  • Body Capacity (SAE 2:1) 129.0 m3
  • Top Speed - Loaded 54.3 km/h
  • Maximum Payload Capacity 218.0 tonnes
  • Product Brochure


Product Details

Operating Specifications

Nominal Payload Capacity 218.0 tonnes
Body Capacity (SAE 2:1) 129.0 m3
Top Speed - Loaded 54.3 km/h
Maximum Payload Capacity Custom
Steer Angle 36.0 Degrees
Raise Time 20.3 Seconds
Lower Time 17.5 Seconds
Turning Circle Clearance Diameter 32.66 m
Turning Radius - Front 28.42 m


Engine Model 3516B HD EUI
Gross Power - SAE J1995 1801.0 kW
Rated Power 1750.0 kW
Net Power - ISO 9249 1743.0 kW
Net Power - 80/1269/EEC 1743.0 kW
Torque Rise 23.0 %
Bore 170.0 mm
Stroke 215.0 mm
Displacement 78.0 L
Net Power 1743.0 kW
Net Power - SAE J1349 1743.0 kW

Weights - Approximate

Gross Machine Operating Weight (GMW) 383749.0 kg
Chassis Weight 116707.0 kg
Body Weight Range 21 795 - 54 431 kg / 48,050 - 120,000 lb


Forward 1 11.8 km/h
Forward 2 15.9 km/h
Forward 3 21.5 km/h
Forward 4 29.0 km/h
Forward 5 39.4 km/h
Forward 6 54.3 km/h
Reverse 10.9 km/h

Final Drives

Differential Ratio 1:8:1
Planetary Ratio 16:1
Total Reduction Ratio 28.8:1


Effective Cylinder Stroke - Front 130.5 mm
Effective Cylinder Stroke - Rear 105.5 mm
Rear Axle Oscillation +/- 4.9º


Outside Diameter 874.5 mm
Brake Surface - Rear 134500.0 cm2
Standards J-ISO 3450 JAN88, ISO 3450:1996
Brake Surface - Front 89817.0 cm2

Body Hoists

Pump Flow - High Idle 846.0 L/min
Relief Valve Setting - Raise 20370.0 kPa
Body Raise Time - High Idle 20.25 Seconds
Body Lower Time - Float 19.26 Seconds
Body Power Down - High Idle 17.51 Seconds

Capacity - Dual Slope - 100% Fill Factor

Struck 96.0 m3
Heaped (SAE 2:1) 129.0 m3

Service Refill Capacities

Fuel Tank (standard) 4354.0 L
Fuel Tank (optional) 4922.0 L
Cooling System 973.0 L
Crankcase 265.0 L
Rear Axle Housing 1022.0 L
Steering Tank 227.0 L
Steering System (Includes Tank) 341.0 L
Brake/Hoist Hydraulic Tank 769.0 L
Brake/Hoist System (Includes Tank) 1375.0 L
Torque Converter/Transmission Sump 102.0 L
Torque Converter/Transmission System (Includes Sump) 189.0 L


Front Canopy Height 6494.0 mm
Height to Top of ROPS 5584.0 mm
Overall Body Length 12862.0 mm
Inside Body Length 7712.0 mm
Overall Length 12862.0 mm
Wheelbase 5905.0 mm
Rear Axle to Tail 3772.0 mm
Ground Clearance 1005.0 mm
Dump Clearance 1364.0 mm
Loading Height - Empty 5871.0 mm
Inside Body Depth - Max 2330.0 mm
Overall Height - Body Raised 13113.0 mm
Operating Width 7680.0 mm
Centerline Front Tire Width 5610.0 mm
Engine Guard Clearance 1294.0 mm
Overall Canopy Width 7680.0 mm
Outside Body Width 7680.0 mm
Inside Body Width 6500.0 mm
Rear Axle Clearance 1128.0 mm
Centerline Rear Dual Tire Width 4963.0 mm
Overall Tire Width 7605.0 mm

Weight Distributions - Approximate

Front Axle - Loaded 33.0 %
Rear Axle - Loaded 67.0 %
Front Axle - Empty 46.0 %
Rear Axle - Empty 54.0 %


Standard Tires 40.00R57


Sound Standards .ANSI/SAE J1166 MAY90


Steering Standards SAE J1511 OCT90, ISO 5010:1992


ROPS Standards .ISO 3471:1994

Power Train - Engine

The Cat 3516B High Displacement engine is built for power, reliability and efficiency for superior performance in the toughest applications. The field-proven engine delivers high horsepower, superior fuel efficiency, lower emissions, reduced engine noise and lower operating costs.

Power Train - Merchandising Arrangements

The 793D is available in four different normal altitude configurations and one arrangement for high altitude operations. All configurations include key components matched to performance requirements in specific applications and conditions.

Power Train - Transmission

The Cat six-speed power shift transmission and mechanical power train, matched with the electronic unit injection 3516B high displacement engine, provides consistent power and efficiency for peak power train performance.

Engine/Power Train Integration

The Cat Data Link electronically combines engine, transmission, brake and operational information to optimize overall truck performance. Stored diagnostic data can be accessed via the Electronic Technician (Cat ET) to improve troubleshooting and reduce downtime.

Caterpillar Brake System

Cat oil-cooled, multiple disc brakes offer exceptional, fade-resistant braking and retarding for maximum performance and productivity in all haul road conditions. Integrated Braking Control combines retarding and traction control into one system for optimum braking efficiency.


Caterpillar truck frames are built to optimize torsional load displacement. Mild steel provides flexibility, durability and resistance to impact loads. Castings and forgings in high stress areas provide exceptional strength and durability for long life.

Monitoring System

The VIMS™ monitoring system provides operators, service technicians and mine personnel with vital machine health and payload data to keep the 793D performing at peak efficiency and top production levels while lowering cost-per-ton.

Truck Body Systems

A variety of Caterpillar designed and built truck bodies ensure optimal performance and reliability in tough mining applications. Cat dealers can help build an optimum hauling system to maximize truck payloads and extend body and truck wear life.

Customer Support

Caterpillar dealers provide unmatched product support, anywhere in the world. With the best part availability in the world and a wide range of maintenance and service options, Cat dealers have what it takes to keep your mining machine productive.

Operator's Station

The ergonomic cab is designed for operator comfort and ease of operation to allow the operator to focus on production. Controls and gauges are positioned within easy reach for optimum efficiency and superior control.


The 793D is designed for quick and easy servicing. Simplified service and maintenance features reduce downtime, allowing the machine to spend less time being serviced and more time on the haul roads.


Caterpillar sets the standard when it comes to safety in the design and manufacturing of heavy equipment for the mining industry. Safety is not an afterthought at Caterpillar, but an integral part of all machine and systems designs.
Catepillar Equipments


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