
John DeereModel A
John Deere 4120
Utility
- power
- 43 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Utility

Utility
Utility
How they compare
4120 is in the 37th percentile; TN55 is in the 37th · 5,383 models
4120 is in the 39th percentile; TN55 is in the 48th · 5,580 models
4120 is in the 50th percentile; TN55 is in the 23rd · 5,720 models
4120 is in the 50th percentile; TN55 is in the 23rd · 4,941 models
Full comparison
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | New Holland | — |
| Model | 4120 | TN55 | — |
| Category | Utility | Utility | Same |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | New Holland Diesel | — |
| Model | 4024T | Serial No. 529-481556 | — |
| Power Output | 43hp | 43hp | Same |
| Rated RPM | 2,400RPM | 2,300RPM | ▲ 4120+100 RPM · +4% |
| Cylinders | 4 | 3 | ▲ 4120+1 · +33% |
| Displacement | 149ci | 179ci | ▲ TN55+30 ci · +20% |
| Bore | 3.4in | 4.1in | ▲ TN55+0.7 in · +21% |
| Stroke | 4.1in | 4.5in | ▲ TN55+0.4 in · +10% |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Power shuttle | 8-speed selective gear fixed ratio | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Length | 128in | 155in | ▲ TN55+27 in · +21% |
| Width | 65.4in | 66.9in | ▲ TN55+1.5 in · +2% |
| Height | 96.9in | Not recorded | — |
| Operating Weight | 3,700lb | 7,660lb | ▲ TN55+3,960 lb · +107% |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| System Type | Open Center | Open center | Same |
| Pump Flow Capacity | Not recorded | 14.5gpm | — |
| Pressure | Not recorded | 2,410psi | — |
| Steering Type | Hydrostatic Power | Power | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Independent | Independent with dry disc clutch | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 7.50-16 | — |
| Rear Tire Size | Not recorded | 14.9R28 | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | I | II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 3,131lb | Not recorded | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | 4x4 MFWD 4WD | Same |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydrostatic Power | Power | — |
| Brake Type | Wet disc | Wet disc hydraulically operated by two-foot pedals | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Coolant | 1.6gal | Not recorded | — |
| Spec | John Deere 4120 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Open with ROPS | Two-post folding ROPS or Cab (optional) | — |
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