789 Next Generation

Overview

The Cat^® 789 Mining Truck is the most popular 193-tonne (213-ton) truck in the mining industry — and for good reason. Developed specifically for high-production mining applications, the 789 simply does its job, no matter the application or conditions. It continues a legacy of durability and reliability while meeting emission standards for any location in the world. It uses less fuel, has expanded safety options and reduces maintenance downtime. It offers fast speed on grade and a high production capability thanks to a payload advantage over the competition. More than 30 new features improve performance and keep operators safe, comfortable and in control. The 789 offers the lowest cost per ton in its size class and high reliability — reducing overall owning and operating costs.

Key Features

More Comfort. More Performance. More Versatility.

Faster & More Productive

Over 5% faster on grade and 10% more payload than competitive trucks

12% Longer Engine Life

Thanks to cylinder head and crankshaft improvements

Up to 9% Fuel Reduction with Tier 2

Plus zero fuel burn while retarding and lower overall fluid and fuel consumption

Media Gallery

Specifications

Gross Power - SAE J1995:2014	2100 hp
Engine Model	Cat® 3516E
Net Power - SAE J1349:2011	1975 hp
Rated Speed	1650 r/min
Emissions Rating	Fuel Optimized
Bore	6.7 in
Stroke	8.5 in
Displacement	4766 in³
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 Gross Machine Weight	715000 lb
Body Weight	60406 lb
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.
Nominal Rated Payload	213 ton (US)

Front Axle - Empty	50%
Rear Axle - Loaded	67%
Rear Axle - Empty	50%
Front Axle - Loaded	33%

Planetary Ratio	10.83:1
Total Reduction Ratio	25.46:1
Type	Double reduction, planetary with full floating axles
Differential Ratio	2.35:1

Forward - 1	7.8 mile/h
Forward - 2	10.6 mile/h
Forward - 3	14.4 mile/h
Forward - 4	19.4 mile/h
Forward - 5	26.3 mile/h
Forward - 6	35.5 mile/h
Reverse	7.3 mile/h
Top Speed - Loaded	35.5 mile/h

Standard Tires	37 R57
Optional Tires	40 R57
Optional Tire	42/90 R57
Rims	29” x 57” Rims
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.

Service Brakes	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area	12662 in²
Rear - Wet Disc Brake Surface Area	20861 in²
Standards	(Service and Secondary) ISO 3450:2011
Parking Brake	Four-corner, Multi-disc, Spring applied, Hydraulically Released

Struck	77 m3(101 yd3)
Heaped (SAE 2:1)*	187
Note (1)	Consult your local Cat dealer for body recommendations

Type	Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle	106.5 gpm
Relief Valve Setting - Raise	2749 psi
Body Raise Time - High Idle	14 s
Body Lower Time - Float	16 s

Type	Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
Effective Cylinder Stroke - Front	4.12 in
Effective Cylinder Stroke - Rear	3.67 in
Rear axle - Oscillation	+/- 5 degrees

Fuel Tank - Standard	550 gal (US)
Fuel Tank	1000 gal (US)
Fuel Tank (Tier 4)	55 gal (US)
Diesel Exhaust Fluid Tank	62 gal (US)
Cooling System	180 gal (US)
Crankcase	77 gal (US)
Front Wheels - Each	5.8 gal (US)
Differentials	161 gal (US)
Steering System	42 gal (US)
Steering System - Includes Tank	46 gal (US)
Brake Hoist System	169 gal (US)
Brake Hoist System - Includes Tank	347 gal (US)
Torque Converter - Transmission System - Including Sump	55 gal (US)

Air Conditioning	(HFC - 134A refrigerant) 24,500 Btu/hr
Heater / Defroster	33300 Btu/h
FOPS Standards	FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
ROPS Standards (2)	ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.

Sound Standards (1)	Operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.

Steer Angle	36.07 °
Steering Standards	ISO 5010:2019

Height - Top of ROPS	5550 mm
Overall Body Length	12945 mm
Inside Body Length	8730 mm
Overall Length	12970 mm
Wheel Base	57000 mm
Rear Axle - Tail	3856 mm
Ground Clearance	1304 mm
Dump Clearance	1585 mm
Loading Height - Empty	6147 mm
Rear Sidewall Height	1010 mm
Inside Body Depth - Maximum	3075 mm
Overall Height - Body Raised	11534 mm
Operating Width	7822 mm
Centerline Front Tire Width	5410 mm
Engine Guard Clearance	1290 mm
Overall Canopy Width	7769 mm
Outside Body Width	7123 mm
Inside Body Width	6920 mm
Front Canopy Height	6739 mm
Rear Axle - Clearance	1263 mm
Centerline of Rear Dual Tire Width	4695 mm
Overall Tire Width	7120 mm