Caterpillar 789C

The 789C Mining Truck is engineered for performance, designed for comfort, and built to last. Developed specifically for high production mining and hauling applications, the 789C Mining Truck keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and long life with low operating costs.

Caterpillar 789C
 


SPECIFICATIONSBENEFITS AND FEATURESSTANDARD / OPTIONAL EQUIPMENT

Specifications for the Caterpillar 789C


Approximate Weights – Dual Slope
Gross Weight – Empty310525 lb
Chassis225500 lb
Body59625 lb
Full Liner20840 lb
Tail Extension1700 lb
Side Boards2860 lb
Approximate Weights – Flat Floor
Chassis225400 lb
Body66200 lb
Grid Liner3300 lb
Rear Third Liner4200 lb
Gross Weight – Empty299100 lb
Body Hoists
Pump Flow – High Idle193 gal/min
Relief Valve Setting – Raise2500 psi
Body Raise Time – High Idle18.9 Seconds
Body Lower Time – Float17.3 Seconds
Body Power Down – High Idle15.6 Seconds
Brakes
Brake Surface – Rear18024 in2
StandardsSAE J1473 OCT90 ISO 3450:1996
Brake Surface – Front12662 in2
Capacity – Dual Slope – 100% Fill Factor
Struck96 yd3
Heaped (SAE 2:1)137 yd3
Capacity – Flat Floor – 100% Fill Factor
Struck102 yd3
Heaped (SAE 2:1)158 yd3
Engine
Engine ModelCat 3516B EUI
Gross Power – SAE J19951900 hp
Net Power – ISO 92491791 hp
Net Power – 80/1269/EEC1791 hp
Bore6.7 in
Stroke7.5 in
Displacement4211 in3
Net Power – SAE J13491771 hp
Final Drives
Differential Ratio2.35:1
Planetary Ratio10.83:1
Total Reduction Ratio25.46:1
Operating Specifications
Nominal Payload Capacity195 tons
Body Capacity (SAE 2:1)137 yd3
Top Speed – Loaded32.7 mph
Steer Angle36 Degrees
Maximum CapacityCustom
Turning Circle Clearance Diameter99.2 ft
Turning Diameter – Front90.2 ft
Service Refill Capacities
Fuel Tank (standard)851 gal
Cooling System175 gal
Crankcase77 gal
Steering Tank34 gal
Steering System (Includes Tank)50 gal
Brake/Hoist Hydraulic Tank140 gal
Brake/Hoist System (Includes Tank)240 gal
Differential and Final Drives154 gal
Torque Converter/Transmission Sump59 gal
Torque Converter/Transmission System (Includes Sump)20 gal
Steering
Steering StandardsSAE J1511 OCT90 ISO 5010:1992
Suspension
Effective Cylinder Stroke – Front4 in
Effective Cylinder Stroke – Rear3.5 in
Rear Axle Oscillation±5.6°
Tires
Standard Tires37.00-R57 (E4)
Transmission
Forward 17.2 mph
Forward 29.8 mph
Forward 313.2 mph
Forward 417.8 mph
Forward 524.2 mph
Forward 632.7 mph
Reverse6.5 mph
Weight Distributions – Approximate
Front Axle – Loaded33 %
Rear Axle – Loaded67 %
Front Axle – Empty47 %
Rear Axle – Empty53 %
Weights – Approximate
Chassis Weight218300 lb
Body Weight Range26 800-29 950 kg (59,000-71,500 lb)
Gross Machine Operating Weight700000 lb



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OFF-HIGHWAY TRACTORS/TRUCKS
Safety resources specifically designed for off-highway tractors and trucks.
FATAL MISTAKES: VIDEO
This video discusses safety precautions necessary when operating or interacting with Off Highway Trucks. (10 minutes)
OFF HIGHWAY TRUCK VIRTUAL WALK AROUND
This Off Highway Truck virtual walk around is intended to highlight those areas on an Off Highway Truck that should be checked when conducting a walk around inspection.
PRODUCT SPOTLIGHT - 777F OFF-HIGHWAY TRUCK
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OFF-HIGHWAY TRUCKS
Start-up & Shut Down Procedures
OFF-HIGHWAY TRUCKS (777-797)
Safety & Maintenance Inspection Checklist
OFF-HIGHWAY TRUCKS (769-775)
Safety & Maintenance Inspection Checklist
DAILY WALK AROUND INSPECTION ON A 793C OFF HIGHWAY TRUCK: VIDEO
This video is a detailed look at the proper method of conducting a walk around inspection on a 793C Off Highway Truck. (16 minutes)
OFF HIGHWAY TRUCK OPERATING TIPS (785 – 789): VIDEO
This video offers operating tips for 785 and 789 Off Highway Trucks. (20 minutes)
BASIC WASTE APPLICATIONS TRAINING - LANDFILL : VIDEO
This video covers landfill operations, and reviews basic- to intermediate-level skills. (10 minutes)
FATAL MISTAKES: VIDEO (1999)
This video discusses safety precautions necessary when operating or interacting with Off Highway Trucks. (10 minutes)
OFF HIGHWAY TRUCK OPERATING TIPS (785 – 789): VIDEO (1990)
This video offers operating tips for 785 and 789 Off Highway Trucks. (20 minutes)
BASIC WASTE APPLICATIONS TRAINING - LANDFILL : VIDEO (2001)
This video covers landfill operations, and reviews basic- to intermediate-level skills. (10 minutes)
FATAL MISTAKES: VIDEO (1999)
This video discusses safety precautions necessary when operating or interacting with Off Highway Trucks. (10 minutes)
OFF HIGHWAY TRUCK VIRTUAL WALK AROUND
This Off Highway Truck virtual walk around is intended to highlight those areas on an Off Highway Truck that should be checked when conducting a walk around inspection.
F-SERIES OFF-HIGHWAY TRUCK OPERATING TIPS: VIDEO (2008)
This video covers the basic safe operation of Caterpillar’s F-series Off Highway trucks. (22 minutes)
770-772 OFF HIGHWAY TRUCK OPERATING TIPS: VIDEO (2008)
This video cover basic tips for the safe operation of the 770 and 772 model off highway trucks.. (17 minutes)
PRODUCT SPOTLIGHT - 777F OFF-HIGHWAY TRUCK
Caterpillar® announces new and enhanced safety features on the 777F Off-Highway Truck
OFF-HIGHWAY TRUCKS (769-775)
Safety & Maintenance Inspection Checklist
OFF-HIGHWAY TRUCKS (777-797)
Safety & Maintenance Inspection Checklist
OFF-HIGHWAY TRUCKS
Start-up & Shut Down Procedures
OFF HIGHWAY TRUCK OPERATING TIPS (785 – 789): VIDEO (1990)
This video offers operating tips for 785 and 789 Off Highway Trucks. (20 minutes)
DAILY WALK AROUND INSPECTION ON A 793C OFF HIGHWAY TRUCK: VIDEO
This video is a detailed look at the proper method of conducting a walk around inspection on a 793C Off Highway Truck. (16 minutes)
BASIC WASTE APPLICATIONS TRAINING - LANDFILL : VIDEO (2001)
This video covers landfill operations, and reviews basic- to intermediate-level skills. (10 minutes)
770-772 OFF HIGHWAY TRUCK OPERATING TIPS: VIDEO (2008)
This video cover basic tips for the safe operation of the 770 and 772 model off highway trucks.. (17 minutes)
F-SERIES OFF-HIGHWAY TRUCK OPERATING TIPS: VIDEO (2008)
This video covers the basic safe operation of Caterpillar’s F-series Off Highway trucks. (22 minutes)
OFF-HIGHWAY TRUCKS: START-UP & SHUT DOWN
Start-up & Shut Down Procedures
CATERPILLAR® INTEGRATED OBJECT DETECTION SYSTEM™ - FEATURED PRODUCT
This system enables operators of large equipment to view the area surrounding their machine and monitor other equipment and objects in the near vicinity.
MINING TRUCK SIMULATOR
OFF-HIGHWAY TRUCK SIMULATOR
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