
New HollandModel A
New Holland Boomer 40
Utility
- power
- 41 hp
- displacement
- 153 ci
- Cylinders
- 4
- Forward gears
- 16
Head to head · Utility

Utility
Utility
How they compare
Boomer 40 is in the 35th percentile; TN55 is in the 37th · 5,383 models
Boomer 40 is in the 41st percentile; TN55 is in the 48th · 5,580 models
Boomer 40 is in the 50th percentile; TN55 is in the 23rd · 5,720 models
Boomer 40 is in the 73rd percentile; TN55 is in the 23rd · 4,941 models
Full comparison
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Manufacturer | New Holland | New Holland | Same |
| Model | Boomer 40 | TN55 | — |
| Category | Utility | Utility | Same |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Manufacturer | Mitsubishi | New Holland Diesel | — |
| Model | S4Q2 | Serial No. 529-481556 | — |
| Power Output | 41hp | 43hp | ▲ TN55+2 hp · +5% |
| Rated RPM | 2,600RPM | 2,300RPM | ▲ Boomer 40+300 RPM · +13% |
| Cylinders | 4 | 3 | ▲ Boomer 40+1 · +33% |
| Displacement | 153ci | 179ci | ▲ TN55+26 ci · +17% |
| Bore | 3.5in | 4.1in | ▲ TN55+0.6 in · +17% |
| Stroke | 4.1in | 4.5in | ▲ TN55+0.4 in · +10% |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Hydrostatic, Synchronized shuttle | 8-speed selective gear fixed ratio | — |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Length | 121in | 155in | ▲ TN55+34 in · +28% |
| Width | 63.8in | 66.9in | ▲ TN55+3.1 in · +5% |
| Operating Weight | 3,549lb | 7,660lb | ▲ TN55+4,111 lb · +116% |
| Spec | New Holland Boomer 40 | 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 | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Independent with electro-hydraulic clutch (rear) | Independent with dry disc clutch | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | 2,000rpm | 1,000rpm | ▲ Boomer 40+1,000 rpm · +100% |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 7.50-16 | — |
| Rear Tire Size | Not recorded | 14.9R28 | — |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | I | II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 2,756lb | Not recorded | — |
| Spec | New Holland Boomer 40 | 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 | Differential mechanical wet disc | Wet disc hydraulically operated by two-foot pedals | — |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | New Holland Boomer 40 | New Holland TN55 | Difference |
|---|---|---|---|
| Type | Two-post foldable ROPS | Two-post folding ROPS or Cab (optional) | — |
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