2026 Ram Heavy Duty Tradesman 6.4L HEMI
The 2026 Ram Heavy Duty Tradesman 6.4L HEMI is a 405-hp 6.4-liter V8 with an 8-speed automatic and four-wheel drive. It starts at $45,995 MSRP.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $45,995 |
| Engine | |
| Engine Type | V8 HEMI, OHV, 16-valve (8 MDS deactivating + 8 hydraulic) |
| Displacement | 6.4 L |
| Horsepower | 405 hp @ 5,600 rpm |
| Torque | 429 lb-ft @ 4000 rpm |
| Redline | 5,800 rpm |
| Valvetrain | OHV |
| Bore and Stroke | 103.9 x 94.6 |
| Compression Ratio | 10.0:1 |
| Injection Type | Sequential Electronic Fuel Injection (SEFI), returnless |
| Drivetrain | |
| Drive Type | 4x2 standard / 4x4 optional |
| Transmission | |
| Transmission | 8-speed automatic (8HP75) |
| 1st Gear | 4.71 (31 mph **) |
| 2nd Gear | 3.14 (47 mph **) |
| 3rd Gear | 2.1 (70 mph **) |
| 4th Gear | 1.67 (88 mph **) |
| 5th Gear | 1.29 (113 mph **) |
| 6th Gear | 1 (146 mph **) |
| 7th Gear | 0.84 (174 mph **) |
| 8th Gear | 0.67 (218 mph **) |
| Reverse | 3.3 |
| Final Drive | 3.73 |
| Fuel Economy | |
| Recommended Fuel | Unleaded regular (87 octane min.) |
| Suspension | |
| Front Suspension | Three-link with track bar, coil springs, stabilizer bar |
| Rear Suspension | Five-link with track bar, coil springs, stabilizer bar (2500); Two-stage longitudinal leaf spring (3500) |
| Front Stabilizer Bar | Standard |
| Rear Stabilizer Bar | Standard |
| Brakes | |
| Front Brake Calipers | Twin-piston |
| Front Brake Disc | 14.17 x 1.54 in (359.9 x 39.1 mm), ventilated disc, twin-piston caliper |
| Rear Brake Disc | 14.09 x 1.34 in (357.9 x 34.0 mm), ventilated disc, twin-piston caliper |
| Tires & Wheels | |
| Wheels Front | 17-in steel |
| Wheels Rear | 17-in steel |
| Tires Front | LT265/70R17 all-season |
| Tires Rear | LT265/70R17 all-season |
| Dimensions & Weight | |
| Length | 238.8 in |
| Width | 83.5 in |
| Height | 80.2 in |
| Wheelbase | 149 in |
| Front Track | 68.7 in |
| Rear Track | 68.1 in |
| Ground Clearance | 13.1 in |
| Approach Angle | 22.9° |
| Departure Angle | 25.8° |
| Interior | |
| Headroom Front | 40.9 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 |
** Theoretical max speed per gear at redline