Mining Trucks

Cat 789

Payload
193t
Body Capacity
143m³
Loaded Speed
57.2 km/h
If you’re looking for a mining haul truck that will boost your business bottom line, the Cat® 789 off-highway truck delivers. With high productivity and lowest in class cost per tonne, the Cat 789 delivers high performance and reliability to reduce your overall operating and ownership costs while prioritising operator comfort and safety. A tried and true performer that’s delivered outstanding results on mine sites around the world for decades, the Cat 789 dump truck is the mining industry’s most popular truck in its weight class. 

Caterpillar’s exclusive design ownership provides advantages by creating a total hauling unit that delivers the best integration of high production, availability, and payload in combination with low operating cost and long life. The Cat 789 truck features an engine built for power, reliability and efficiency in the toughest applications, while the Cat Mechanical power train delivers more power to the ground for greater productivity and lower operating costs. Additionally, the electronically combined integration of power train components work more intelligently for optimal truck performance to deliver unmatched operating efficiency and control on steep grades even in poor underfoot conditions and on high rolling-resistance haul roads. 

As a Cat off-highway truck, the Cat 789 is designed for superior operator comfort, control and safety with its ergonomically designed operator's station. The Cat 789 dump truck boasts a wide range of advanced safety features that include guard rails, slip-resistant surfaces, round level access shutoff switches, low interior sound levels, reverse neutraliser when dumping and state-of-the-art collision avoidance technologies. An integrated Object Detection System is available as an optional extra. 

Backed by our extensive service coverage, flat rate scheduled servicing and 24/7 parts availability, Hastings Deering is the right choice for your heavy equipment needs and offers the Cat 789 for sale at our local branches across Queensland and the Northern Territory. For further information, including specs and pricing for the Cat 789, contact your local Hastings Deering branch today. 

Specifications

Payload
193t
Body Capacity
143m³
Loaded Speed
57.2 km/h
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Specifications

Engine
Bore 170mm Displacement 7.8l Emissions Rating Fuel Optimized Engine Model Cat® 3516E Gross Power - SAE J1995:2014 1566kW Net Power - SAE J1349:2011 1473kW Note (1) Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Note (2) Optional 1417 kW / 1,900 HP engine rating. Note (3) U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. Rated Speed 1650r/min Stroke 215mm
Weights - Approximate
Body Weight 27400kg Nominal Rated Payload 193t Note (1) Consult your tire manufacturer for maximum tire load Note (2) Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. Rated Gross Machine Weight 324318kg
Weight Distributions - Approximate
Front Axle - Empty 50% Front Axle - Loaded 33% Rear Axle - Empty 50% Rear Axle - Loaded 67%
Final Drives
Differential Ratio 2.35:1 Planetary Ratio 10.83:1 Total Reduction Ratio 25.46:1 Type Double reduction, planetary with full floating axles
Transmission
Forward - 1 12.6km/h Forward - 2 17.1km/h Forward - 3 23.1km/h Forward - 4 31.2km/h Forward - 5 42.3km/h Forward - 6 57.2km/h Reverse 11.8km/h Top Speed - Loaded 57.2km/h
Tires
Note (1) Quick Change Rims optional Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. Optional Tire 42/90 R57 Optional Tires 40 R57 Rims 29” x 57” Rims Standard Tires 37 R57
Braking System
Front Wet Disc Brake Surface Area 81693cm² Parking Brake Four-corner, Multi-disc, Spring applied, Hydraulically Released Rear - Wet Disc Brake Surface Area 134590cm² Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Standards (Service and Secondary) ISO 3450:2011
Capacity - HP Body - 100% Fill Factor
Heaped (SAE 2:1)* 143 m3(187 yd2) Note (1) Consult your local Cat dealer for body recommendations Struck 77 m3(101 yd3)
Body Hoists
Body Lower Time - Float 16s Body Raise Time - High Idle 14s Pump Flow - High Idle 403l/min Relief Valve Setting - Raise 18950kPa Type Twin, two-stage hydraulic cylinders with snubbing valve.
Suspension
Effective Cylinder Stroke - Front 104.65mm Effective Cylinder Stroke - Rear 93.22mm Rear axle - Oscillation +/- 5 degrees Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
Service Refill Capacities
Brake Hoist System 640l Brake Hoist System - Includes Tank 1315l Cooling System 679l Crankcase 291l Diesel Exhaust Fluid Tank 233l Differentials 610l Front Wheels - Each 22l Fuel Tank 4546l Fuel Tank - Standard 2500l Fuel Tank (Tier 4) 2500l Steering System 160l Steering System - Includes Tank 175l Torque Converter - Transmission System - Including Sump 209l
Cab
Air Conditioning (HFC - 134A refrigerant) 24,500 Btu/hr FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. Heater / Defroster 33300Btu/h ROPS Standards (1) The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Steering
Steer Angle 36.07° Steering Standards ISO 5010:2007
Dimensions (Approximate)
Centerline Front Tire Width 17.75ft Centerline of Rear Dual Tire Width 15.42ft Dump Clearance 5.17ft Engine Guard Clearance 4.25ft Front Canopy Height 22.08ft Ground Clearance 4.25ft Height - Top of ROPS 18.25ft Inside Body Depth - Maximum 10.08ft Inside Body Length 28.67ft Inside Body Width 22.67ft Loading Height - Empty 20.17ft Operating Width 25.67ft Outside Body Width 23.33ft Overall Body Length 42.5ft Overall Canopy Width 25.5ft Overall Height - Body Raised 37.83ft Overall Length 42.58ft Overall Tire Width 23.33ft Rear Axle - Clearance 4.17ft Rear Axle - Tail 12.67ft Rear Sidewall Height 3.33ft Wheel Base 18.67ft

How does the 789 Compare?

  • Cat 789
    Off-Highway Trucks Cat 789
    Payload
    193t
    Body Capacity
    143m³
    Loaded Speed
    57.2 km/h
    SELECTED MODEL

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  • Cat 785
    Off-Highway Trucks Cat 785
    Payload
    133t
    Body Capacity
    78m³
    Loaded Speed
    54.8km/hr

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  • Cat 773
    Off-Highway Trucks Cat 773
    Payload
    56.5t
    Body Capacity
    35.75m³
    Loaded Speed
    66.9km/hr

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