AGCOModel A
AGCO ST45
Sub-Compact
- power
- 44.2 hp
- displacement
- 134 ci
- Cylinders
- 4
- Forward gears
- 16
Head to head · Sub-Compact
AGCO ST45 vs John Deere 4120
John DeereModel B
John Deere 4120
Utility
- power
- 43 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 12
AGCOAGCO ST45
vs
John DeereJohn Deere 4120
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
▲ ST45 higher · +1.2 hp (+3%)ST4544.2 hp
412043 hp
Median Sub-Compact Tractor26.9 hp
ST45 is in the 81st percentile; 4120 is in the 81st · 816 models
Engine Displacement
▲ 4120 higher · +15 ci (+11%)ST45134 ci
4120149 ci
Median Sub-Compact Tractor91.4 ci
ST45 is in the 74th percentile; 4120 is in the 83rd · 757 models
Cylinders
= Effectively tiedST454
41204
Median Sub-Compact Tractor3
ST45 is in the 90th percentile; 4120 is in the 90th · 802 models
Forward Gears
▲ ST45 higher · +4 (+33%)ST4516
412012
Median Sub-Compact Tractor9
ST45 is in the 89th percentile; 4120 is in the 73rd · 616 models
ST45 (A)4120 (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Manufacturer | AGCO | John Deere | — |
| Model | ST45 | 4120 | — |
| Category | Sub-Compact | Utility | — |
Engine
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Manufacturer | Iseki | John Deere | — |
| Model | E4CG | 4024T | — |
| Power Output | 44.2hp | 43hp | ▲ ST45+1.2 hp · +3% |
| Rated RPM | 2,600RPM | 2,400RPM | ▲ ST45+200 RPM · +8% |
| Cylinders | 4 | 4 | Same |
| Displacement | 134ci | 149ci | ▲ 4120+15 ci · +11% |
| Bore | 3.4in | 3.4in | Same |
| Stroke | 3.6in | 4.1in | ▲ 4120+0.5 in · +14% |
Transmission
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Type | Mechanical Shuttle | Power shuttle | — |
Dimensions & Weight
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Length | 137in | 128in | ▲ ST45+9 in · +7% |
| Width | 69.1in | 65.4in | ▲ ST45+3.7 in · +6% |
| Height | 89in | 96.9in | ▲ 4120+7.9 in · +9% |
| Operating Weight | 4,448lb | 3,700lb | ▲ ST45+748 lb · +20% |
Hydraulics
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Power | Hydrostatic Power | — |
Power Take-off (PTO)
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Type | 540 (rear) / 2000 (mid) | Independent | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | 2,000rpm | Not recorded | — |
Hitch & Towing
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 3,131lb | — |
Chassis & Drive
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | 4WD | — |
| Steering Type | Power | Hydrostatic Power | — |
| Brake Type | Not recorded | Wet disc | — |
Electrical
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Coolant | 2.5gal | 1.6gal | ▲ ST45+0.9 gal · +56% |
Operator Station
| Spec | AGCO ST45 | John Deere 4120 | Difference |
|---|---|---|---|
| Type | ROPS | Open with ROPS | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 81st percentile (44.2 hp)B · 81st percentile (43 hp)
Engine Displacement
median 91.4 ciA · 74th percentile (134 ci)B · 83rd percentile (149 ci)
Cylinders
median 3A · 90th percentile (4)B · 90th percentile (4)
Forward Gears
median 9A · 89th percentile (16)B · 73rd percentile (12)
Operating Weight
median 2,700 lbA · 87th percentile (4,448 lb)B · 70th percentile (3,700 lb)
A · ST45B · 4120Median Sub-Compact Tractor