
Allis ChalmersModel A
Allis Chalmers D15 Series I
Row Crop
- power
- 40 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Row Crop

Row Crop
Utility
How they compare
D15 Series I is in the 4th percentile; 1840M is in the 4th · 1,206 models
D15 Series I is in the 4th percentile; 1840M is in the 1st · 1,409 models
D15 Series I is in the 17th percentile; 1840M is in the 2nd · 1,417 models
D15 Series I is in the 16th percentile; 1840M is in the 27th · 1,200 models
Full comparison
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Massey Ferguson | — |
| Model | D15 Series I | 1840M | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Iseki | — |
| Model | Allis Chalmers | E3FH | — |
| Power Output | 40hp | 39.4hp | ▲ D15 Series I+0.6 hp · +2% |
| Rated RPM | 2,000RPM | 2,600RPM | ▲ 1840M+600 RPM · +30% |
| Cylinders | 4 | 3 | ▲ D15 Series I+1 · +33% |
| Displacement | 149ci | 111ci | ▲ D15 Series I+38 ci · +34% |
| Bore | 3.5in | 3.4in | ▲ D15 Series I+0.1 in · +3% |
| Stroke | 3.9in | 4in | ▲ 1840M+0.1 in · +3% |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Power Shuttle | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Length | 130in | 122in | ▲ D15 Series I+8 in · +7% |
| Width | 66.9in | 67.5in | ▲ 1840M+0.6 in · <1% |
| Height | 79.9in | 99.2in | ▲ 1840M+19.3 in · +24% |
| Operating Weight | 3,990lb | 3,472lb | ▲ D15 Series I+518 lb · +15% |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Manual | Power | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 16-Aug | — |
| Rear Tire Size | Not recorded | 13.6-24 | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Three-Point Hitch | — |
| Hitch Category | II/I | I | — |
| Hitch Position | Rear | Rear | Same |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Power | — |
| Brake Type | Expanding shoe | Not recorded | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Standard | Not recorded | Tier IV | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Coolant | 2.8gal | Not recorded | — |
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840M | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context