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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
Allis Chalmers 620 vs Allis Chalmers FD3
Allis ChalmersModel B
Allis Chalmers FD3
Utility
- power
- 25 hp
- displacement
- 95.8 ci
- Cylinders
- 2
- Forward gears
- 8
Allis ChalmersAllis Chalmers 620
vs
Allis ChalmersAllis Chalmers FD3
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ FD3 higher · +5.5 hp (+28%)62019.5 hp
FD325 hp
Median Utility Tractor55 hp
620 is in the 8th percentile; FD3 is in the 16th · 5,383 models
Engine Displacement
▲ FD3 higher · +46 ci (+92%)62049.8 ci
FD395.8 ci
Median Utility Tractor183 ci
620 is in the 3rd percentile; FD3 is in the 22nd · 5,580 models
Cylinders
= Effectively tied6202
FD32
Median Utility Tractor4
620 is in the 3rd percentile; FD3 is in the 3rd · 5,720 models
Operating Weight
▲ FD3 higher · +1,651 lb (+110%)6201,499 lb
FD33,150 lb
Median Utility Tractor5,303 lb
620 is in the 6th percentile; FD3 is in the 25th · 5,107 models
620 (A)FD3 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | 620 | FD3 | — |
| Category | Utility, Sub-Compact | Utility | — |
Engine
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Manufacturer | Onan | Vendeuvre | — |
| Model | CCKB | Not recorded | — |
| Power Output | 19.5hp | 25hp | ▲ FD3+5.5 hp · +28% |
| Rated RPM | 3,600RPM | 2,200RPM | ▲ 620+1,400 RPM · +64% |
| Cylinders | 2 | 2 | Same |
| Displacement | 49.8ci | 95.8ci | ▲ FD3+46 ci · +92% |
| Bore | 3.3in | 3.1in | ▲ 620+0.2 in · +6% |
| Stroke | 3in | 3.9in | ▲ FD3+0.9 in · +30% |
Transmission
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Type | Hydrostatic | Manual | — |
Dimensions & Weight
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Length | 82.7in | 112in | ▲ FD3+29.3 in · +35% |
| Width | 47.6in | Not recorded | — |
| Height | 42.9in | 51.2in | ▲ FD3+8.3 in · +19% |
| Operating Weight | 1,499lb | 3,150lb | ▲ FD3+1,651 lb · +110% |
Power Take-off (PTO)
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Speed 1 | 2,000rpm | Not recorded | — |
| Speed 2 | 2,000rpm | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 | — |
| Drive Type | 2WD | 2WD | Same |
Electrical
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Operator Station
| Spec | Allis Chalmers 620 | Allis Chalmers FD3 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 8th percentile (19.5 hp)B · 16th percentile (25 hp)
Engine Displacement
median 183 ciA · 3rd percentile (49.8 ci)B · 22nd percentile (95.8 ci)
Cylinders
median 4A · 3rd percentile (2)B · 3rd percentile (2)
Operating Weight
median 5,303 lbA · 6th percentile (1,499 lb)B · 25th percentile (3,150 lb)
Length
median 137 inA · 3rd percentile (82.7 in)B · 18th percentile (112 in)
A · 620B · FD3Median Utility Tractor