2025 Ram Chassis Cab 4500 Big Horn 4x2
The 2025 Ram Chassis Cab 4500 Big Horn 4x2 is a 375-hp turbocharged with an 8-speed automatic and rear-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 6.4L HEMI V-8 gasoline (standard) / 6.7L Cummins Turbo Diesel I-6 (optional) |
| Horsepower | 375 hp @ 5,600 rpm |
| Torque | 429 lb-ft @ 4000 rpm (6.4L) / 800 lb-ft @ 1800 rpm (6.7L diesel) rpm |
| Redline | 5,800 rpm |
| Valvetrain | OHV pushrod 16V (6.4L) / OHV pushrod 24V (6.7L diesel) |
| Bore and Stroke | 103.9 x 94.6 (6.4L) / 107.0 x 124.0 (6.7L diesel) |
| Compression Ratio | 10.0:1 (6.4L) / 16.2:1 (6.7L diesel) |
| Injection Type | Sequential multiport EFI, returnless (6.4L) / High-pressure common rail (6.7L diesel) |
| Drivetrain | |
| Drive Type | Rear-wheel drive (4x2) |
| Differential Type | Rear anti-spin differential (standard) |
| Transmission | |
| Transmission | 8-speed automatic (ZF TorqueFlite HD) |
| 1st Gear | 4.89 |
| 2nd Gear | 3.12 |
| 3rd Gear | 2.03 |
| 4th Gear | 1.64 |
| 5th Gear | 1.27 |
| 6th Gear | 1 |
| 7th Gear | 0.84 |
| 8th Gear | 0.67 |
| Reverse | 3.3 |
| Final Drive | 4.44 |
| Fuel Economy | |
| Recommended Fuel | Unleaded regular 87 octane (6.4L) / Ultra-low sulfur diesel (6.7L) |
| Suspension | |
| Front Suspension | Five-link with track bar, coil springs, stabilizer bar, solid axle |
| Rear Suspension | Two-stage longitudinal leaf springs, solid axle |
| Front Stabilizer Bar | Standard |
| Brakes | |
| Front Brake Calipers | Twin-piston pin-slider caliper, ABS |
| Front Brake Disc | 15.35" x 1.54" (390 x 39 mm) |
| Rear Brake Disc | 15.35" x 1.54" (390 x 39 mm) |
| Dimensions & Weight | |
| Length | 236.3 in |
| Width | 93.2 in |
| Height | 81.7 in |
| Wheelbase | 144.6 in |
| Front Track | 77.1 in |
| Rear Track | 73.6 in |
| Ground Clearance | 13.7 in |
| Approach Angle | 25.4° |
| Departure Angle | 27.7° |
| Curb Weight | 7,111 lbs |
| Weight Distribution (F/R) | 3875% / 3235% |
| Interior | |
| Headroom Front | 39.8 in |
| Headroom Rear | 39.8 in |
| Legroom Front | 40.9 in |
| Legroom Rear | 40.2 in |
| Shoulder Room Front | 65.9 in |
| Shoulder Room Rear | 65.6 in |
| Hip Room Front | 62.9 in |
| Hip Room Rear | 62.7 in |