Dodge 4500 Ram Chassis Cab vehicle User manual

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Body Styles Regular Cab and Quad Cab®
Assembly Plants Saltillo, Mexico
EPA Vehicle Class Heavy-Duty
Recycled plastic and rubber material content Approximately 10%
Recycled metal content Approximately 25%
Availability Standard – all
Type and Description Six-cylinder, inline, liquid-cooled, turbocharged, intercooled
Displacement 408 cu. in. (6690 cu cm - 6.7L)
Bore x Stroke 4.21 in. x 4.88 in. (107 mm x 124 mm)
Valve System OHV, 24 valves, solid lifters
Fuel Injection Electronic high-pressure common rail
Construction Cast iron block and head
Compression Ratio 17.3:1
Power (SAE net) 305 bhp (227 kW) @ 2900 rpm (51.7 bhp/liter)
Torque (SAE net) 610 lb. ft. (827 N•m) @ 1,600 rpm
Maximum High-Idle Engine Speed 3500 rpm
Fuel Requirement Diesel
Oil Capacity 12 qt. (11.3 L) with lter
Coolant Capacity 22.6 qt. (21.4 L)
Emission Controls Exhaust after-treatment systems and internal engine features
Weight 1122 lbs. (w/manual trans)
1127 lbs. (w/auto trans)
GENERAL INFORMATION
ENGINE: 6.7-LITER CUMMINS® TURBO DIESEL
2008 DoDge Ram 4500 & 5500
Chassis Cabs speCifiCations ChaRt
4500 Up to 16,500lbs
5500 Up to 19,500lbs
GVWR
GCWR
4500/5500
26,000lbs
GAWR
4500/5500 Front GAWR 7,000lbs
4500 Rear GAWR 12,000lbs
5500 Rear GAWR 13,500lbs

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2008 DoDge Ram 4500 & 5500
Chassis Cabs speCifiCations ChaRt
Availability Optional
Description One Ravigneaux® and two simple planetary gear sets,
three clutch packs, two brake packs, one overrunning clutch,
full electronic control with linear solenoids for all hydraulic applications
Gear Ratios
1st 3.74
2nd 2.00
3rd 1.34
4th 1.00
5th 0.77
6th 0.63
Reverse 3.54
Overall Top Gear Ratio 2.35 with 3.73 axle ratio and 2.58 with 4.10 axle ratio
Weight 341.5 lbs. (4x2)
344.6 lbs. (4x4)
TRANSMISSION: AISIN AS68RC – AUTOMATIC, SIX-SPEED OVERDRIVE
TRANSMISSION: G56 – MANUAL, SIX-SPEED OVERDRIVE
Availability Standard – all
Description Synchronized in all gears
Gear Ratios
1st 5.94
2nd 3.28
3rd 1.98
4th 1.31
5th 1.00
6th 0.74
Reverse 5.42
Overall Top Gear Ratio 2.95 with 3.73 axle
3.24 with 4.10 axle
Availability NV271 – std. 4WD ST and 4WD SLT
NV273 – standard 4WD Laramie, opt. 4WD SLT
Type Part Time
Operating Modes 2WD; 4WD High, Locked; Neutral; 4WD Low, Locked
Shift Mechanism NV271 – manual, NV273 – electric
Low-Range Ratio 2.72
Center Differential None
Weight 130 lbs. (all)
TRANSFER CASES – NV271/NV273