Image not recorded
Allis ChalmersModel A
Allis Chalmers HD16A
Industrial
- power
- 163 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Allis Chalmers HD16A vs Allis Chalmers HD20
Allis ChalmersModel B
Allis Chalmers HD20
Industrial
- power
- Not recorded
- displacement
- 660 ci
- Cylinders
- 6
- Forward gears
- 2
Allis ChalmersAllis Chalmers HD16A
vs
Allis ChalmersAllis Chalmers HD20
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD16A higher · +184 ci (+28%)HD16A844 ci
HD20660 ci
Median Industrial Tractor284 ci
HD16A is in the 86th percentile; HD20 is in the 76th · 53 models
Cylinders
= Effectively tiedHD16A6
HD206
Median Industrial Tractor4
HD16A is in the 88th percentile; HD20 is in the 88th · 55 models
Forward Gears
▲ HD16A higher · +4 (+200%)HD16A6
HD202
Median Industrial Tractor5
HD16A is in the 65th percentile; HD20 is in the 1st · 43 models
Operating Weight
▲ HD20 higher · +9,500 lb (+30%)HD16A31,500 lb
HD2041,000 lb
Median Industrial Tractor9,127 lb
HD16A is in the 91st percentile; HD20 is in the 97th · 49 models
HD16A (A)HD20 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | HD16A | HD20 | — |
| Category | Industrial | Industrial | Same |
Engine
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | General Motors | — |
| Model | 160000 | Not recorded | — |
| Power Output | 163hp | Not recorded | — |
| Rated RPM | 1,600RPM | 1,700RPM | ▲ HD20+100 RPM · +6% |
| Cylinders | 6 | 6 | Same |
| Displacement | 844ci | 660ci | ▲ HD16A+184 ci · +28% |
| Bore | 5.3in | 5in | ▲ HD16A+0.3 in · +6% |
| Stroke | 6.5in | 5.6in | ▲ HD16A+0.9 in · +16% |
Transmission
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Type | Gear | Torque converter | — |
Dimensions & Weight
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Length | 181in | 191in | ▲ HD20+10 in · +6% |
| Width | 96in | Not recorded | — |
| Height | 90.5in | 95in | ▲ HD20+4.5 in · +5% |
| Operating Weight | 31,500lb | 41,000lb | ▲ HD20+9,500 lb · +30% |
Hydraulics
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Starter Type | Electric | 24 volts | — |
Capacities
| Spec | Allis Chalmers HD16A | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 15gal | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 86th percentile (844 ci)B · 76th percentile (660 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 1st percentile (2)
Operating Weight
median 9,127 lbA · 91st percentile (31,500 lb)B · 97th percentile (41,000 lb)
Length
median 125 inA · 76th percentile (181 in)B · 86th percentile (191 in)
A · HD16AB · HD20Median Industrial Tractor