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789D

Mining Trucks

The Cat® 789D Mining Truck has a history of proven performance in a wide variety of applications. It delivers the lowest cost per ton in its size class, for an overall reduction in your operating costs, along with the reliability and reduced costs that come with long life — from the engine and powertrain to the components, brakes and frame. It also delivers fast speed on grade and a high production capability thanks to a payload advantage over competitive machines. The versatile 789D offers engine options to meet regulatory standards or application-specific needs such as extreme temperatures, high altitude or areas that require sound reductions. And it featuressafety enhancements like diagonal stairways, wide walkways and optional powered access to protect your most important asset: your people.

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Gross Power - SAE J1995 1566 kW
Engine Model Cat® 3516C HD
Rated Net Power - ISO 9249 1468 kW
Bore 170 mm
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789D
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OVERVIEW

Setting the Bar in its Size Class

FEATURES & BENEFITS

PRODUCTIVITY

The 789D delivers a faster speed on grade than competitive trucks thanks to the efficient 3500 series 16-cylinder engine and mechanical drivetrain.The 23% net torque rise... Read more

SAFETY

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

OPERATOR COMFORT

Three cab options — standard, deluxe and cold weather — allow you to select the best features for your application.All options offer an ergonomic layout, excellent all-ar... 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 789D frame uses a box-section design, incorporating two forgings and 21 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 789D. 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 789D with a number of enhancements that lessen its impact on the environment. Features like oil renewal systems and continuous rear axle filtration dec... Read more

VERSATILITY

The 789D comes with two engine options to help you meet regulatory requirements or application-specific needs. Both the Cat 3516B and 3516C EUI options deliver high power... Read more

TECHNOLOGY SOLUTIONS

MineStar Fleet is a fleet monitoring system that can be used to measure, manage and maximize the overall hauling operation.With MineStar Detect, you can equip your 789D w... Read more

SPECIFICATIONS FOR 789D

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Engine
Gross Power - SAE J1995 1566 kW
Engine Model Cat® 3516C HD
Rated Net Power - ISO 9249 1468 kW
Bore 170 mm
Stroke 215 mm
Displacement 78.1 l
Net Power 1468 kW
Gross Power 1566 kW
Emissions Rating Fuel Optimized or EPA Tier 2 equivalent
Rated Speed 1750 r/min
Optional Engine
Engine Model Cat® 3516B EUI
Gross Power 1417 kW
Rated Net Power - ISO 9249 1335 kW
Bore 170 mm
Stroke 190 mm
Displacement 69 l
Weights - Approximate
Rated Gross Machine Weight 324319 kg
Chassis Weight (37R57 Tires) 102821 kg
Chassis Weight (40R57 Tires) 106010 kg
Nominal Rated Payload 194 t
Body - Dual Slope
Body Weight 27365 kg
Operating Specifications
Standard MSD Body (SAE 2:1) 130 m³
Standard X Body (SAE 2:1) 123 m³
Standard Dual Slope Body (SAE 2:1) 108 m³
Standard Combi Body (SAE 2:1) 153 m³
Standard Gateless Coal Body (SAE 2:1) 191 m³
Standard HP Body (SAE 2:1) 144 m³
Note Refer to the Cat Mining Truck Optimized payload policy for maximum gross machine weight limitations.
Transmission
Forward - 1 12.6 km/h
Forward - 2 17.1 km/h
Forward - 3 23.1 km/h
Forward - 4 31.2 km/h
Forward - 5 42.3 km/h
Forward - 6 57.2 km/h
Reverse 11.8 km/h
Top Speed - Loaded 57.2 km/h
Final Drives
Differential Ratio 2.35:1
Planetary Ratio 10.83:1
Total Reduction Ratio 25.46:1
Suspension
Effective Cylinder Stroke - Front 105 mm
Effective Cylinder Stroke - Rear 93 mm
Rear axle - Oscillation ±5.6°
Brakes
Brake Surface - Front 81693 cm²
Brake Surface - Rear 134590 cm²
Standards SAE J1473 OCT90 ISO 3450:2011 - Service Brakes: Four-Corner, Wet Multi-disc, Oil Cooled, Hydraulically Actuated. Parking Brake: Four-Corner, Wet Multi-disc, Spring Applied, Hydraulically Released.
Body Hoists
Pump Flow - High Idle 731 l/min
Relief Valve Setting - Raise 17238 kPa
Body Raise Time - High Idle 18.9 s
High Idle Body Lower Time - Float 15.6 s
High Idle Body Lower Time - Power 15.6 s
Body Raise Time - High Idle Body 17.3 s
Weight Distributions - Approximate
Front Axle - Empty 50 %
Rear Axle - Empty 50 %
Front Axle - Loaded 33 %
Rear Axle - Loaded 67 %
Note Weight distributions optimized with Cat body.
Tires
Standard Tires 37.00-R57
Optional Tires 40.00-R57
Service Refill Capacities
Fuel Tank - Standard 2082 l
Fuel Tank - Optional 3785 l
Cooling System 725 l
Crankcase 291 l
Differential - Final Drives 583 l
Steering System 189 l
Brake Hoist System 909 l
Transmission Tank 76 l
ROPS
ROPS Standards Standards
Sound
Sound Standards Standards
Steering
Steering Standards SAE J1511 OCT90 ISO 5010:2007
Steering Angle 36.07 °
Turning Diameter - Front Wheel 27.53 m
Vehicle Clearance - Turn Circle 30.23 m
Turning Diameter - ISO 7457:1997 (33.00R51 tires) 27.53 m
Body - X
Body Weight 30107 kg
Dimensions (Approximate)
Centerline Front Tire Width 5410 mm
Centerline of Rear Dual Tire Width 4695 mm
Dump Clearance 1585 mm
Engine Guard Clearance 1290 mm
Front Canopy Height 6739 mm
Ground Clearance 1304 mm
Height - Top of ROPS 5550 mm
Inside Body Width 6691 mm
Loading Height - Empty 6147 mm
Outside Body Width 7377 mm
Overall Canopy Width 7769 mm
Overall Height - Body Raised 13122 mm
Overall Length 12945 mm
Overall Tire Width 7120 mm
Rear Axle - Clearance 1263 mm
Rear Axle - Tail 3856 mm
Wheel Base 5700 mm
Berat - Pendekatan
Kisaran Bobot Bak kg

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Gross Power - SAE J1995 1082 kW
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Standard Gross Power - SAE J1995 2610 kW
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Gross Power - SAE J1995 2983 kW
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Net Power - SAE J1349 2828 kW
Rated Speed 1750 r/min
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Gross Power - SAE J1995 2535 kW
Engine Model Cat® C175-16
Net Power - SAE J1349 2460 kW
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Engine Model Cat® 3516C HD
Gross Power - SAE J1995 1864 kW
Bore 170 mm
Stroke 215 mm
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