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
Allis Chalmers D15 Series I vs Massey Ferguson 1840E
Massey FergusonModel B
Massey Ferguson 1840E
Utility
- power
- 39.4 hp
- displacement
- 111 ci
- Cylinders
- 3
- Forward gears
- 8
Allis ChalmersAllis Chalmers D15 Series I
vs
Massey FergusonMassey Ferguson 1840E
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D15 Series I higher · +0.6 hp (+2%)D15 Series I40 hp
1840E39.4 hp
Median Row Crop Tractor138 hp
D15 Series I is in the 4th percentile; 1840E is in the 4th · 1,206 models
Engine Displacement
▲ D15 Series I higher · +38 ci (+34%)D15 Series I149 ci
1840E111 ci
Median Row Crop Tractor391 ci
D15 Series I is in the 4th percentile; 1840E is in the 1st · 1,409 models
Cylinders
▲ D15 Series I higher · +1 (+33%)D15 Series I4
1840E3
Median Row Crop Tractor6
D15 Series I is in the 17th percentile; 1840E is in the 2nd · 1,417 models
Forward Gears
= Effectively tiedD15 Series I8
1840E8
Median Row Crop Tractor16
D15 Series I is in the 16th percentile; 1840E is in the 16th · 1,200 models
D15 Series I (A)1840E (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Massey Ferguson | — |
| Model | D15 Series I | 1840E | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Iseki | — |
| Model | Allis Chalmers | Not recorded | — |
| Power Output | 40hp | 39.4hp | ▲ D15 Series I+0.6 hp · +2% |
| Rated RPM | 2,000RPM | 2,600RPM | ▲ 1840E+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 | ▲ 1840E+0.1 in · +3% |
Transmission
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Mechanical shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Length | 130in | 117in | ▲ D15 Series I+13 in · +11% |
| Width | 66.9in | 52.4in | ▲ D15 Series I+14.5 in · +28% |
| Height | 79.9in | 97.6in | ▲ 1840E+17.7 in · +22% |
| Operating Weight | 3,990lb | 2,877lb | ▲ D15 Series I+1,113 lb · +39% |
Hydraulics
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Manual | Power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Category I | — |
| Hitch Category | II/I | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | MFWD 4WD | — |
| Steering Type | Manual | Power | — |
| Brake Type | Expanding shoe | Not recorded | — |
Electrical
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Coolant | 2.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D15 Series I | Massey Ferguson 1840E | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 4th percentile (40 hp)B · 4th percentile (39.4 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 1st percentile (111 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Forward Gears
median 16A · 16th percentile (8)B · 16th percentile (8)
Operating Weight
median 12,307 lbA · 5th percentile (3,990 lb)B · 2nd percentile (2,877 lb)
A · D15 Series IB · 1840EMedian Row Crop Tractor