H1
Engine
V8, 6.5L Turbocharged diesel
Transmission
4L80-E 4-speed automatic
Drivetrain
full-time 4WD
TorqTrac 4 (TT4) traction system
Compression Ratio
20.2:1
Horsepower
(@3400 rpm) 195 hp
Torque
(@1800 rpm) 430 lb.-ft.
Gear Ratios
1st: 2.48:1
2nd: 1.48:1
3rd: 1.00:1
4th: .75:1
Reverse: 2.08:1
H2
Engine
Vortec 6000 V8 6.0L
Transmission
4L65-E 4-speed automatic
Drivetrain
full-time 4WD
Traction Control System w/ TC2 (2nd level of TCS offering 3 additional operating modes)
Compression Ratio
9.4:1
Horsepower
(@5200 rpm) 316 hp
Torque
(@4000 rpm) 360 lb.-ft.
Gear Ratios
1st: 3.06:1
2nd: 1.62:1
3rd: 1.00:1
4th: .69:1
Reverse: 2.29:1
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