
ChallengerModel A
Challenger MT655D
Agricultural
- power
- 277 hp
- displacement
- 514 ci
- Cylinders
- 6
- Forward gears
- Not recorded
Head to head · Agricultural

Agricultural
Crawler
How they compare
MT655D is in the 91st percentile; 8400T is in the 85th · 1,028 models
MT655D is in the 88th percentile; 8400T is in the 84th · 1,083 models
MT655D is in the 74th percentile; 8400T is in the 74th · 1,130 models
MT655D is in the 92nd percentile; 8400T is in the 92nd · 971 models
Full comparison
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Manufacturer | Challenger | John Deere | — |
| Model | MT655D | 8400T | — |
| Category | Agricultural | Crawler | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Manufacturer | Sisu Diesel | John Deere | — |
| Model | AGCO Power | Serial No.*RG6081 H040198* | — |
| Power Output | 277hp | 227hp | ▲ MT655D+50 hp · +22% |
| Rated RPM | 1,950RPM | 2,000RPM | ▲ 8400T+50 RPM · +3% |
| Cylinders | 6 | 6 | Same |
| Displacement | 514ci | 496ci | ▲ MT655D+18 ci · +4% |
| Bore | 4.4in | 4.6in | ▲ 8400T+0.2 in · +5% |
| Stroke | 5.7in | 5.1in | ▲ MT655D+0.6 in · +12% |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Type | Techstar CVT continuously variable transmission | Full powershift | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Length | 216in | 207in | ▲ MT655D+9 in · +4% |
| Width | Not recorded | 104in | — |
| Height | 141in | 123in | ▲ MT655D+18 in · +15% |
| Wheelbase | 122in | Not recorded | — |
| Operating Weight | 25,365lb | 25,000lb | ▲ MT655D+365 lb · +1% |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| System Type | Closed center load sensing (CCLS) | Closed center pressure-flow compensated (PFC) | — |
| Steering Type | Hydrostatic power | Hydrostatic power | Same |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Type | Not recorded | Independent | — |
| Speed 1 | Not recorded | 1,000rpm | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Front Tire Size | 600/65R34 | Not recorded | — |
| Rear Tire Size | 710/75R42 | Not recorded | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | III | Category 3 | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | 17,850lb | 15,650lb | ▲ MT655D+2,200 lb · +14% |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Chassis Type | 4x4 | Crawler | — |
| Drive Type | 4WD | Track | — |
| Steering Type | Hydrostatic power | Hydrostatic power | Same |
| Brake Type | Multiple wet disc hydraulically operated by two foot pedals that can be locked together | Hydraulic wet disc | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Control System | Diesel exhaust fluid (DEF) 32% aqueous urea solution | Not recorded | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Coolant | Not recorded | 9gal | — |
| Spec | Challenger MT655D | John Deere 8400T | Difference |
|---|---|---|---|
| Type | Cab | Cab | Same |
Category context