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Allis ChalmersModel A
Allis Chalmers HD16A
Industrial
- power
- 163 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Industrial

Row Crop
How they compare
HD16A is in the 86th percentile; 3680 is in the 66th · 53 models
HD16A is in the 88th percentile; 3680 is in the 88th · 55 models
HD16A is in the 65th percentile; 3680 is in the 97th · 43 models
HD16A is in the 91st percentile; 3680 is in the 58th · 49 models
Full comparison
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Massey Ferguson | — |
| Model | HD16A | 3680 | — |
| Category | Industrial | Row Crop | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valmet Diesel | — |
| Model | 160000 | Valmet 612DS | — |
| Power Output | 163hp | 162hp | ▲ HD16A+1 hp · <1% |
| Rated RPM | 1,600RPM | 2,200RPM | ▲ 3680+600 RPM · +38% |
| Cylinders | 6 | 6 | Same |
| Displacement | 844ci | 452ci | ▲ HD16A+392 ci · +87% |
| Bore | 5.3in | 4.3in | ▲ HD16A+1 in · +23% |
| Stroke | 6.5in | 5.3in | ▲ HD16A+1.2 in · +23% |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Type | Gear | Two-speed power shift | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Length | 181in | 202in | ▲ 3680+21 in · +12% |
| Width | 96in | 94.7in | ▲ HD16A+1.3 in · +1% |
| Height | 90.5in | 115in | ▲ 3680+24.5 in · +27% |
| Operating Weight | 31,500lb | 13,525lb | ▲ HD16A+17,975 lb · +133% |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Hydrostatic power | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 11,285lb | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Hydraulic | Hydrostatic power | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 7.9gal | — |
| Spec | Allis Chalmers HD16A | Massey Ferguson 3680 | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context