
Big BudModel A
Big Bud HN320
Utility
- power
- 320 hp
- displacement
- 855 ci
- Cylinders
- 6
- Forward gears
- 12
Head to head · Utility

Utility
Agricultural
How they compare
HN320 is in the 97th percentile; MT685D is in the 97th · 5,383 models
HN320 is in the 98th percentile; MT685D is in the 94th · 5,580 models
HN320 is in the 93rd percentile; MT685D is in the 93rd · 5,720 models
HN320 is in the 98th percentile; MT685D is in the 96th · 5,107 models
Full comparison
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Manufacturer | Big Bud | Challenger | — |
| Model | HN320 | MT685D | — |
| Category | Utility | Agricultural | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Manufacturer | Cummins | Sisu Diesel | — |
| Model | NT855 | Not recorded | — |
| Power Output | 320hp | 333hp | ▲ MT685D+13 hp · +4% |
| Rated RPM | 2,100RPM | 2,100RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 855ci | 514ci | ▲ HN320+341 ci · +66% |
| Bore | 5.5in | 4.4in | ▲ HN320+1.1 in · +25% |
| Stroke | 6in | 5.7in | ▲ HN320+0.3 in · +5% |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Type | Gear | CVT with two mechanical ranges | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Length | Not recorded | 216in | — |
| Height | Not recorded | 141in | — |
| Wheelbase | Not recorded | 122in | — |
| Operating Weight | 36,000lb | 25,365lb | ▲ HN320+10,635 lb · +42% |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| System Type | Open Center | Closed center load sensing (CCLS) | — |
| Pump Flow Capacity | Not recorded | 46.2gpm | — |
| Pressure | Not recorded | 2,380psi | — |
| Steering Type | Hydrostatic Power | Hydrostatic power | Same |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Speed 1 | Not recorded | 1,000rpm | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Front Tread Width | Not recorded | 70.9in | — |
| Rear Tread | Not recorded | 72.8in | — |
| Front Tread Adjustment | Not recorded | 70.9 to 76.8 in | — |
| Rear Tread Adjustment | Not recorded | 72.8 to 74.8 in | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Cat III | — |
| Hitch Category | Not recorded | Cat III | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | 4WD | — |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydrostatic Power | Hydrostatic power | Same |
| Brake Type | Not recorded | Multiple wet disc hydraulically operated | — |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Big Bud HN320 | Challenger MT685D | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context