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Head to head · Utility
AGCO ST30 vs White Field Boss 31

WhiteModel B
White Field Boss 31
Utility
- power
- 30 hp
- displacement
- 91.4 ci
- Cylinders
- 3
- Forward gears
- 12
AGCOAGCO ST30
vs
WhiteWhite Field Boss 31
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ ST30 higher · +0.3 hp (+1%)ST3030.3 hp
Field Boss 3130 hp
Median Utility Tractor55 hp
ST30 is in the 23rd percentile; Field Boss 31 is in the 22nd · 5,383 models
Engine Displacement
= Effectively tiedST3091.4 ci
Field Boss 3191.4 ci
Median Utility Tractor183 ci
ST30 is in the 18th percentile; Field Boss 31 is in the 18th · 5,580 models
Cylinders
= Effectively tiedST303
Field Boss 313
Median Utility Tractor4
ST30 is in the 23rd percentile; Field Boss 31 is in the 23rd · 5,720 models
Forward Gears
▲ Field Boss 31 higher · +3 (+33%)ST309
Field Boss 3112
Median Utility Tractor12
ST30 is in the 35th percentile; Field Boss 31 is in the 50th · 4,941 models
ST30 (A)Field Boss 31 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Manufacturer | AGCO | White | — |
| Model | ST30 | Field Boss 31 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Manufacturer | Iseki | Isuzu | — |
| Model | E3CD | Not recorded | — |
| Power Output | 30.3hp | 30hp | ▲ ST30+0.3 hp · +1% |
| Rated RPM | 2,500RPM | 2,600RPM | ▲ Field Boss 31+100 RPM · +4% |
| Cylinders | 3 | 3 | Same |
| Displacement | 91.4ci | 91.4ci | Same |
| Bore | 3.4in | 3.4in | Same |
| Stroke | 3.3in | 3.4in | ▲ Field Boss 31+0.1 in · +3% |
Transmission
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Type | Gear | Partially Synchronized | — |
Dimensions & Weight
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Length | 117in | 116in | ▲ ST30+1 in · <1% |
| Width | 55.5in | 52in | ▲ ST30+3.5 in · +7% |
| Height | 79.3in | 80in | ▲ Field Boss 31+0.7 in · <1% |
| Operating Weight | 2,594lb | 2,215lb | ▲ ST30+379 lb · +17% |
Hydraulics
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Not recorded | Manual | — |
Power Take-off (PTO)
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
Tires
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 5.00-15 | — |
| Rear Tire Size | Not recorded | 11.2-24 | — |
Hitch & Towing
| Spec | AGCO ST30 | 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 | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Coolant | 1.9gal | Not recorded | — |
Operator Station
| Spec | AGCO ST30 | White Field Boss 31 | Difference |
|---|---|---|---|
| Type | Not recorded | Open | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 23rd percentile (30.3 hp)B · 22nd percentile (30 hp)
Engine Displacement
median 183 ciA · 18th percentile (91.4 ci)B · 18th percentile (91.4 ci)
Cylinders
median 4A · 23rd percentile (3)B · 23rd percentile (3)
Forward Gears
median 12A · 35th percentile (9)B · 50th percentile (12)
Operating Weight
median 5,303 lbA · 18th percentile (2,594 lb)B · 14th percentile (2,215 lb)
A · ST30B · Field Boss 31Median Utility Tractor