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WhiteModel A
White Field Boss 21
Utility
- power
- 21 hp
- displacement
- 71.4 ci
- Cylinders
- 3
- Forward gears
- 12
Head to head · Utility
White Field Boss 21 vs White Field Boss 31
WhiteModel B
White Field Boss 31
Utility
- power
- 30 hp
- displacement
- 91.4 ci
- Cylinders
- 3
- Forward gears
- 12
WhiteWhite Field Boss 21
vs
WhiteWhite Field Boss 31
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ Field Boss 31 higher · +9 hp (+43%)Field Boss 2121 hp
Field Boss 3130 hp
Median Utility Tractor55 hp
Field Boss 21 is in the 9th percentile; Field Boss 31 is in the 22nd · 5,383 models
Engine Displacement
▲ Field Boss 31 higher · +20 ci (+28%)Field Boss 2171.4 ci
Field Boss 3191.4 ci
Median Utility Tractor183 ci
Field Boss 21 is in the 10th percentile; Field Boss 31 is in the 18th · 5,580 models
Cylinders
= Effectively tiedField Boss 213
Field Boss 313
Median Utility Tractor4
Field Boss 21 is in the 23rd percentile; Field Boss 31 is in the 23rd · 5,720 models
Forward Gears
= Effectively tiedField Boss 2112
Field Boss 3112
Median Utility Tractor12
Field Boss 21 is in the 50th percentile; Field Boss 31 is in the 50th · 4,941 models
Field Boss 21 (A)Field Boss 31 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Manufacturer | White | White | Same |
| Model | Field Boss 21 | Field Boss 31 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Manufacturer | Isuzu | Isuzu | Same |
| Power Output | 21hp | 30hp | ▲ Field Boss 31+9 hp · +43% |
| Rated RPM | 2,600RPM | 2,600RPM | Same |
| Cylinders | 3 | 3 | Same |
| Displacement | 71.4ci | 91.4ci | ▲ Field Boss 31+20 ci · +28% |
| Bore | 3in | 3.4in | ▲ Field Boss 31+0.4 in · +13% |
| Stroke | 3.4in | 3.4in | Same |
Transmission
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Type | Manual | Partially Synchronized | — |
Dimensions & Weight
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Length | 106in | 116in | ▲ Field Boss 31+10 in · +9% |
| Width | 42.9in | 52in | ▲ Field Boss 31+9.1 in · +21% |
| Height | 75.2in | 80in | ▲ Field Boss 31+4.8 in · +6% |
| Operating Weight | 1,584lb | 2,215lb | ▲ Field Boss 31+631 lb · +40% |
Hydraulics
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Manual | Manual | Same |
Tires
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 5.00-15 | — |
| Rear Tire Size | Not recorded | 11.2-24 | — |
Hitch & Towing
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Category I | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Chassis Type | 2WD | Not recorded | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
Electrical
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Starter Type | Electric Starter | Electric Starter | Same |
Operator Station
| Spec | White Field Boss 21 | White Field Boss 31 | Difference |
|---|---|---|---|
| Type | Open | Open | Same |
Category context
Both models against the field
Engine Power
median 55 hpA · 9th percentile (21 hp)B · 22nd percentile (30 hp)
Engine Displacement
median 183 ciA · 10th percentile (71.4 ci)B · 18th percentile (91.4 ci)
Cylinders
median 4A · 23rd percentile (3)B · 23rd percentile (3)
Forward Gears
median 12A · 50th percentile (12)B · 50th percentile (12)
Operating Weight
median 5,303 lbA · 7th percentile (1,584 lb)B · 14th percentile (2,215 lb)
A · Field Boss 21B · Field Boss 31Median Utility Tractor