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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 · Sub-Compact
Allis Chalmers 620 vs International Harvester DED
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International HarvesterModel B
International Harvester DED
Sub-Compact
- power
- 20 hp
- displacement
- 99.5 ci
- Cylinders
- 3
- Forward gears
- 5
Allis ChalmersAllis Chalmers 620
vs
International HarvesterInternational Harvester DED
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
▲ DED higher · +0.5 hp (+3%)62019.5 hp
DED20 hp
Median Sub-Compact Tractor26.9 hp
620 is in the 22nd percentile; DED is in the 25th · 816 models
Engine Displacement
▲ DED higher · +49.7 ci (+100%)62049.8 ci
DED99.5 ci
Median Sub-Compact Tractor91.4 ci
620 is in the 9th percentile; DED is in the 55th · 757 models
Cylinders
▲ DED higher · +1 (+50%)6202
DED3
Median Sub-Compact Tractor3
620 is in the 11th percentile; DED is in the 50th · 802 models
Operating Weight
▲ DED higher · +1,125 lb (+75%)6201,499 lb
DED2,624 lb
Median Sub-Compact Tractor2,700 lb
620 is in the 22nd percentile; DED is in the 48th · 711 models
620 (A)DED (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | 620 | DED | — |
| Category | Utility, Sub-Compact | Sub-Compact | — |
Engine
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Manufacturer | Onan | International Harvester | — |
| Model | CCKB | DD-99 | — |
| Power Output | 19.5hp | 20hp | ▲ DED+0.5 hp · +3% |
| Rated RPM | 3,600RPM | 1,800RPM | ▲ 620+1,800 RPM · +100% |
| Cylinders | 2 | 3 | ▲ DED+1 · +50% |
| Displacement | 49.8ci | 99.5ci | ▲ DED+49.7 ci · +100% |
| Bore | 3.3in | 3.3in | Same |
| Stroke | 3in | 4in | ▲ DED+1 in · +33% |
Transmission
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Type | Hydrostatic | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Length | 82.7in | 108in | ▲ DED+25.3 in · +31% |
| Width | 47.6in | Not recorded | — |
| Height | 42.9in | 62.5in | ▲ DED+19.6 in · +46% |
| Operating Weight | 1,499lb | 2,624lb | ▲ DED+1,125 lb · +75% |
Power Take-off (PTO)
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Speed 1 | 2,000rpm | Not recorded | — |
| Speed 2 | 2,000rpm | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
Electrical
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Allis Chalmers 620 | International Harvester DED | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 22nd percentile (19.5 hp)B · 25th percentile (20 hp)
Engine Displacement
median 91.4 ciA · 9th percentile (49.8 ci)B · 55th percentile (99.5 ci)
Cylinders
median 3A · 11th percentile (2)B · 50th percentile (3)
Operating Weight
median 2,700 lbA · 22nd percentile (1,499 lb)B · 48th percentile (2,624 lb)
Length
median 113 inA · 10th percentile (82.7 in)B · 42nd percentile (108 in)
A · 620B · DEDMedian Sub-Compact Tractor