OHT Component Centerlines

Last Update- 08/14

777G_Component HoursSerial Prefix TNM

Component Application SeverityHigh Med Low

R&I Repair Hours

Engine 10,000 15,000 18,000 80 184Transmission 12,000 15,000 18,000 16 51

Torque 10,000 15,000 18,000 12 20Differential 12,000 16,000 18,000 16 18Wheel Group 12,000 16,000 18,000 16 44

Suspension CylFront 12,000 15,000 20,000 8 18Rear 10,000 15,000 18,000 8 16

Lift / Hoist Cyl 14,000 16,000 20,000 8 14

Rate/ Hour $40.12Assumes 80/20No Travel Time & Mileage$93/hr shop - $102/hr fieldBase configuration machineBody liner replacement not includedNo fluidsTerm 60,000hrs

Definitions of Application Severity(Performance Handbook Edition 33, Section-Owning and Operating Costs)

HIGH MEDIUM LOW Long haul time with frequent

adverse grades. Continuous use on very

poorly maintained haul roads with high rolling resistance

Normal load and haul time. Varying load and haul

conditions Some adverse grades. Some high rolling resistance

Large amount of idling time. Short to medium hauls on

well maintained haul roads Minimum total resistance.