Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2010 Dodge Ram 2500 Heavy Duty Mega Cab with short-box, 2WD & 4WD options. Read the complete specs on the 5.7-LITER HEMI EAGLE V-8 and 6.7-LITER CUMMINS TURBO DIESEL I-6 power plant.
| 2010 Dodge Ram 2500 Heavy Duty Mega Cab |
| SPECIFICATIONS |
* All dimensions are in inches (millimeters) unless otherwise noted.
* All dimensions measured at curb weight with standard tires and wheels. |
| GENERAL INFORMATION |
| Body Styles | Mega Cab, Short-box |
| Assembly Plants | Saltillo, Mexico |
| EPA Vehicle Class | Standard Pickup |
| DIMENSIONS AND CAPACITIES |
| Mega Cab 160.5"WB 6' 4" Box SRW |
| | 4x2 | 4x4 |
| Wheelbase | 160.5 | 160 |
| Track Width - Front | 68.6 | 68.3 |
| Track Width - Rear | 68.2 | 68.2 |
| Overall Length | 248.4 | 248.4 |
| Overall Width @ SgRP Front | 79.1 | 79.1 |
| Overall Height | 74.1 | 78.3 |
| Suspension or Axle to Ground - Front | 7.8 | 8.1 |
| Suspension or Axle to Ground - Rear | 7.8 | 7.7 |
| Approach Angle | 14 | 23.4 |
| Ramp Breakover Angle | 15.8 | 18.3 |
| Departure Angle | 24.2 | 27.6 |
| ENGINE: | 5.7-LITER HEMI EAGLE V-8 | 6.7-LITER High Output CUMMINS TURBO DIESEL I-6 |
| Availability | Standard on 2500 Series Models(a) | Optional on 2500.
Standard on 3500 Series |
| Type and Description | Eight-cylinder, 90 V-type, liquid-cooled with variable cam timing (VVT) | Six-cylinder, inline, liquid-cooled, turbocharged, intercooled |
| Displacement | 343 cu. in. (5654 cu. cm) | 408 cu. in. (6690 cu. cm) |
| Bore x Stroke | 3.92 x 3.58 (99.5 x 90.9) | 4.21 x 4.88 (107 x 124) |
| Valve System | Pushrod-operated overhead valves, 16 valves, hydraulic lifters with roller followers | OHV, 24 valves, solid lifters |
| Fuel Injection | Sequential, multi-port, electronic, returnless | Electronic high-pressure common rail |
| Construction | Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers | Cast-iron block and head |
| Compression Ratio | 9.6:1 | 17.3:1 |
| Power (SAE net) | 383 bhp (286 kW) @ 5,600 rpm, 2500 Series(b) | 350 bhp (261 kW) @ 3,000 rpm |
| Torque (SAE net) | 400 lb.-ft. (542 N*m) @ 4,000 rpm, 2500 Series | 650 lb.-ft. (881 N*m) @ 1,500 rpm |
| Max. Engine Speed | 5,800 rpm | 3,500 rpm |
| Fuel Requirement | Unleaded mid-grade, 89 octane (R+M)/2--recommended
Unleaded regular, 87 octane (R+M)/2--acceptable | Ultra Low Sulfur Diesel |
| Oil Capacity | 7 qt. (6.6L) | 12 qt. (11.3L) with filter |
| Coolant Capacity | 18.7 qt. (17.7L) | 29.5 qt. (28.0L) |
| Emission Control | Dual three-way catalytic converters, internal engine features with knock sensors (b) | Exhaust after-treatment systems and internal engine features |
• Ram 2500 and 3500 models equipped with automatic transmission and sold in 45 states meet Tier 2 HDV 1, 2 chassis-certified emission requirements. Ram 2500 models equipped with automatic transmission and sold in California, New York, Massachusetts, Maine and Vermont meet LEV II--MDV 1 category chassis-certified emission requirements. Ram 3500 models equipped with automatic transmission and sold in California, New York, Massachusetts, Maine and Vermont meet LEV II--MDV 2 category chassis-certified emission requirements. |
| TRANSMISSION: | 545RFE-- AUTOMATIC FIVE-SPEED |
| Availability | Standard with 5.7-liter engines on 2500 Series models |
| Description | Three planetary gearsets, one overrunning clutch, full electronic control, electronically controlled converter clutch |
| Gear Ratios ( 6.7L Diesel) |
| 1st | 3 |
| 2nd | 1.67--upshift; 1.50--kickdown |
| 3rd | 1 |
| 4th | 0.75 |
| 5th | 0.67 |
| 6th | 3 |
| Reverse | 2.50 with 3.73 axle ratio; 2.75 with 4.10 axle ratio; 2.14 with 3.42 axle ratio |
| TRANSMISSION: | G56--MANUAL SIX-SPEED OVERDRIVE |
| Availability | Standard with 6.7-liter High Output Diesel |
| Description | Synchronized in all gears |
| Gear Ratios ( 6.7L Diesel) |
| 1st | 5.94 |
| 2nd | 3.28 |
| 3rd | 1.98 |
| 4th | 1.31 |
| 5th | 1 |
| 6th | 0.74 |
| Reverse | 5.42 |
| TRANSMISSION: | 68RFE--AUTOMATIC Six-SPEED |
| Availability | Optional with 6.7L Cummins Turbo Diesel engine |
| Description | Three planetary gearsets, one overrunning clutch, full electronic control, electronically controlled converter clutch |
| Gear Ratios |
| 1st | 3.231 |
| 2nd | 1.837 |
| 3rd | 1.41 |
| 4th | 1 |
| 5th | 0.816 |
| 6th | 0.625 |
| Reverse | 4.444 |
| Overall Top Gear Ratio | 2.33 with 3.73 axle ratio; 2.56 with 4.10 axle ratio |
| ELECTRICAL SYSTEM |
| Alternator |
| Availability | Standard--All |
| Rating | 160 amp |
| Availability | Optional |
| Rating | 180 amp included with Snow Plow Prep Package |
| Battery |
| Availability | Standard--2500 and 3500 with gasoline engines |
| Description | Group 65, maintenance-free, 600 CCA |
| Availability | Standard--All with diesel engines; included in Heavy Duty Snow Plow and Trailer Tow Groups |
| Description | Group 65, maintenance-free, 750 CCA |
| TRANSFER CASES: NV271/NV273 |
| Availability | NV271--Standard 4x4 ST
NV273--Standard Laramie; Optional SLT |
| Type | Part-time |
| Operating Modes | 2WD; 4WD High; Neutral; 4WD Low |
| Shift Mechanism | NV271--manual; NV273--electric |
| Low-range Ratio | 2.72 |
| Center Differential | None |