Tuesday, April 3, 2012

Operating Specification OHT CAT 789C

Operating Specifications

Nominal Payload Capacity : 195 tons
Body Capacity (SAE 2:1) : 137 yd3
Top Speed – Loaded : 32.7 mph
Steer Angle : 36 Degrees
Maximum Capacity : Custom
Turning Circle Clearance Diameter : 99.2 ft
Turning Diameter – Front : 90.2 ft

 Engine

Engine Model : Cat 3516B EUI
Net Power – SAE J1349 : 1771 hp
Net Power – ISO 9249 : 1791 hp
Net Power – 80/1269/EEC : 1791 hp
Bore : 6.7 in
Stroke : 7.5 in
Displacement : 4211 in3
Gross Power – SAE J1995 : 1900 hp

Weights – Approximate

Chassis Weight : 218300 lb
Body Weight Range : 26 800-29 950 kg (59,000-71,500 lb)
Gross Machine Operating Weight : 700000 lb

Transmission

Forward 1 : 7.2 mph
Forward 2 : 9.8 mph
Forward 3 : 13.2 mph
Forward 4 : 17.8 mph
Forward 5 : 24.2 mph
Forward 6 : 32.7 mph
Reverse : 6.5 mph

Final Drives

Differential Ratio : 2.35:1
Planetary Ratio : 10.83:1
Total Reduction Ratio : 25.46:1

Suspension

Effective Cylinder Stroke – Front : 4 in
Effective Cylinder Stroke – Rear : 3.5 in
Rear Axle Oscillation : ±5.6°

Brakes

Brake Surface – Rear : 18024 in2
Standards : SAE J1473 OCT90 ISO 3450:1996
Brake Surface – Front : 12662 in2

Body Hoists

Pump Flow – High Idle : 193 gal/min
Relief Valve Setting – Raise : 2500 psi
Body Raise Time – High Idle : 18.9 Seconds
Body Lower Time – Float : 17.3 Seconds
Body Power Down – High Idle : 15.6 Seconds

Approximate Weights – Dual Slope

Gross Weight – Empty : 310525 lb
Chassis : 225500 lb
Body : 59625 lb
Full Liner : 20840 lb
Tail Extension : 1700 lb
Side Boards : 2860 lb

Approximate Weights – Flat Floor

Chassis : 225400 lb
Body : 66200 lb
Grid Liner : 3300 lb
Rear Third Liner : 4200 lb
Gross Weight – Empty : 299100 lb

Capacity – Dual Slope – 100% fill factor

Struck : 96 yd3
Heaped (SAE 2:1) : 137 yd3

Capacity – Flat Floor – 100% fill factor

Struck : 102 yd3
Heaped (SAE 2:1) : 158 yd3

Service Refill Capacities

Fuel Tank (standard) : 851 gal
Cooling System : 175 gal
Crankcase : 77 gal
Steering Tank : 34 gal
Steering System (Includes Tank) : 50 gal
Brake/Hoist Hydraulic Tank : 140 gal
Brake/Hoist System (Includes Tank) : 240 gal
Differential and Final Drives : 154 gal
Torque Converter/Transmission Sump : 59 gal
Torque Converter/Transmission System (Includes Sump) : 20 gal

Approximate Weights – MSD II

Approximate Weights – X

Capacity – MSD II – 100% fill factor

Tires

Standard Tires : 37.00-R57 (E4)

Steering

Steering Standards : SAE J1511 OCT90 ISO 5010:1992

Optional Engine

Body – Dual Slope

AC Drive System

Body – X

Braking System

Dimensions

Weight Distributions – Approximate

Front Axle – Loaded : 33 %
Rear Axle – Loaded : 67 %
Front Axle – Empty : 47 %
Rear Axle – Empty : 53 %

ROPS

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