Image not recorded
Allis ChalmersModel A
Allis Chalmers 720
Utility
- power
- 19.5 hp
- displacement
- 49.8 ci
- Cylinders
- 2
- Forward gears
- Not recorded
Head to head · Utility
Allis Chalmers 720 vs New Holland TZ21D
New HollandModel B
New Holland TZ21D
Utility
- power
- 21 hp
- displacement
- 58.2 ci
- Cylinders
- 3
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers 720
vs
New HollandNew Holland TZ21D
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ TZ21D higher · +1.5 hp (+8%)72019.5 hp
TZ21D21 hp
Median Utility Tractor55 hp
720 is in the 8th percentile; TZ21D is in the 9th · 5,383 models
Engine Displacement
▲ TZ21D higher · +8.4 ci (+17%)72049.8 ci
TZ21D58.2 ci
Median Utility Tractor183 ci
720 is in the 3rd percentile; TZ21D is in the 5th · 5,580 models
Cylinders
▲ TZ21D higher · +1 (+50%)7202
TZ21D3
Median Utility Tractor4
720 is in the 3rd percentile; TZ21D is in the 23rd · 5,720 models
Operating Weight
▲ TZ21D higher · +161 lb (+12%)7201,299 lb
TZ21D1,460 lb
Median Utility Tractor5,303 lb
720 is in the 3rd percentile; TZ21D is in the 5th · 5,107 models
720 (A)TZ21D (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | New Holland | — |
| Model | 720 | TZ21D | — |
| Category | Utility, Sub-Compact | Utility, Sub-Compact | Same |
Engine
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Manufacturer | Onan | Shibaura | — |
| Model | CCKB | Not recorded | — |
| Power Output | 19.5hp | 21hp | ▲ TZ21D+1.5 hp · +8% |
| Rated RPM | 3,600RPM | 3,000RPM | ▲ 720+600 RPM · +20% |
| Cylinders | 2 | 3 | ▲ TZ21D+1 · +50% |
| Displacement | 49.8ci | 58.2ci | ▲ TZ21D+8.4 ci · +17% |
| Bore | 3.3in | 3in | ▲ 720+0.3 in · +10% |
| Stroke | 3in | 2.8in | ▲ 720+0.2 in · +7% |
Transmission
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Type | Hydrostatic | Hydrostatic | Same |
Dimensions & Weight
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Length | 82.7in | 80.6in | ▲ 720+2.1 in · +3% |
| Width | 47.6in | 46.5in | ▲ 720+1.1 in · +2% |
| Height | 42.9in | 89.8in | ▲ TZ21D+46.9 in · +109% |
| Operating Weight | 1,299lb | 1,460lb | ▲ TZ21D+161 lb · +12% |
Hydraulics
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Manual | Hydrostatic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Type | Independent with electric clutch | Not recorded | — |
| Speed 1 | 2,000rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 18x8.5-8 | — |
| Rear Tire Size | Not recorded | 26x12-12 | — |
Hitch & Towing
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | I | — |
Chassis & Drive
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Hydrostatic power | — |
Electrical
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Allis Chalmers 720 | New Holland TZ21D | Difference |
|---|---|---|---|
| Type | Open operator station | ROPS | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 8th percentile (19.5 hp)B · 9th percentile (21 hp)
Engine Displacement
median 183 ciA · 3rd percentile (49.8 ci)B · 5th percentile (58.2 ci)
Cylinders
median 4A · 3rd percentile (2)B · 23rd percentile (3)
Operating Weight
median 5,303 lbA · 3rd percentile (1,299 lb)B · 5th percentile (1,460 lb)
Length
median 137 inA · 3rd percentile (82.7 in)B · 2nd percentile (80.6 in)
A · 720B · TZ21DMedian Utility Tractor