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Caterpillar 789D Off-Highway Truck

The Caterpillar 789D Off-Highway Truck is a powerhouse of performance, boasting a rigid body hoist with impressive raise time and pump flow capabilities. Equipped with a 2100 hp Cat 3516C HD engine and a dump rated payload of 181 tons, this 2WD drive configuration vehicle is designed for heavy-duty tasks. With a large operating weight and top-notch transmission speeds, the 789D ensures efficiency and reliability in demanding work environments. Built to meet ROPS standards and equipped with advanced suspension and sound features, this off-highway truck is a top choice for high-performance operations.


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General Specifications

Articulated/RigidR
Starting 2019 Model Year
Drive Configuration2WD
Starting 2019 Model Year
Engine TypeCat 3516C HD
Starting 2019 Model Year
Mfg. Model789D
Starting 2019 Model Year
Operating Weight lbs (kg)700,000 (317,515)
Starting 2019 Model Year
Planetary Powershift TransmissionAuto
Starting 2019 Model Year
Rated Payload Tons (Metric Tons)181 (164.2)
Starting 2019 Model Year

Articulating/Rigid

Articulating/RigidRigid

Body Hoists

Body Raise Time - High Idle18.9 seconds
Pump Flow - High Idle193.00 gpm (730.51 lpm)
Relief Valve Setting - Raise2500 psi

DRIVE SYSTEM

Drive Config2WD

Dump

Rated Payload181.00 t (181,000.00 kg)

Engine

Bore6.70 in (17.02 cm)
Displacement4,766.00 cu in (78,100.92 cu cm)
Engine Model3516C - HD
Gross Power2,100.00 hp (1,566.00 kw)
Gross Power - SAE J19952,100.00 hp (1,566.00 kw)
MakeCat
Net Power1,969.00 hp (1,468.31 kw)
Stroke8.30 in (21.08 cm)

Final Drives

Planetary Ratio10.83:1

Operating Specifications

Standard MSD Body (SAE 2:1)170.00 cu yd (129.97 cu m)

ROPS

ROPS StandardsStandards

Service Refill Capacities

Cooling System192.00 gal (726.72 l)

Sound

Sound StandardsStandards

Suspension

Effective Cylinder Stroke - Rear3.50 in (8.89 cm)
Rear axle - Oscillation4 degrees

Transmission

Forward - 17.80 mph (12.55 kph)
Forward - 210.60 mph (17.06 kph)
Forward - 314.40 mph (23.17 kph)
Forward - 419.40 mph (31.22 kph)
Forward - 526.30 mph (42.33 kph)
Forward - 635.50 mph (57.13 kph)
Reverse7.30 mph (11.75 kph)

Weights

Front Axle - Empty46%
Front Axle - Loaded33%
Operating Weight700,000.00 lbs (317,515.05 kg)
Operating Weight - LoadedSAE J1511 OCT90 ISO 5010:1992 lbs
Rear Axle - Empty54%
Rear Axle - Loaded67%
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