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Allis ChalmersModel A
Allis Chalmers 620
Utility
- power
- 19.5 hp
- displacement
- 49.8 ci
- Cylinders
- 2
- Forward gears
- Not recorded
Head to head · Utility
Utility

Lawn and Garden
How they compare
620 is in the 8th percentile; 3400 is in the 8th · 5,383 models
620 is in the 3rd percentile; 3400 is in the 1st · 5,580 models
620 is in the 3rd percentile; 3400 is in the 3rd · 5,720 models
620 is in the 6th percentile; 3400 is in the 2nd · 5,107 models
Full comparison
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ventrac | — |
| Model | 620 | 3400 | — |
| Category | Utility, Sub-Compact | Lawn and Garden | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Manufacturer | Onan | Briggs & Stratton | — |
| Model | CCKB | Vanguard M38 | — |
| Power Output | 19.5hp | 20hp | ▲ 3400+0.5 hp · +3% |
| Rated RPM | 3,600RPM | 3,600RPM | Same |
| Cylinders | 2 | 2 | Same |
| Displacement | 49.8ci | 38.3ci | ▲ 620+11.5 ci · +30% |
| Bore | 3.3in | 3in | ▲ 620+0.3 in · +10% |
| Stroke | 3in | 2.8in | ▲ 620+0.2 in · +7% |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Type | Hydrostatic | Belt-driven hydrostatic | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Length | 82.7in | 76in | ▲ 620+6.7 in · +9% |
| Width | 47.6in | 40.2in | ▲ 620+7.4 in · +18% |
| Height | 42.9in | 71.7in | ▲ 3400+28.8 in · +67% |
| Operating Weight | 1,499lb | 1,219lb | ▲ 620+280 lb · +23% |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Articulated power | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent with electric clutch | — |
| Speed 1 | 2,000rpm | Not recorded | — |
| Speed 2 | 2,000rpm | Not recorded | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Ventrac Mount System | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 articulated 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Not recorded | Articulated power | — |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 620 | Ventrac 3400 | Difference |
|---|---|---|---|
| Type | Open | Two-post folding ROPS | — |
Category context