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 CaseIH D40
Image not recorded
Allis ChalmersAllis Chalmers D15 Series I
vs
CaseIHCaseIH D40
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD15 Series I40 hp
D4040 hp
Median Row Crop Tractor138 hp
D15 Series I is in the 4th percentile; D40 is in the 4th · 1,206 models
Engine Displacement
▲ D15 Series I higher · +27 ci (+22%)D15 Series I149 ci
D40122 ci
Median Row Crop Tractor391 ci
D15 Series I is in the 4th percentile; D40 is in the 2nd · 1,409 models
Cylinders
= Effectively tiedD15 Series I4
D404
Median Row Crop Tractor6
D15 Series I is in the 17th percentile; D40 is in the 17th · 1,417 models
Forward Gears
▲ D40 higher · +4 (+50%)D15 Series I8
D4012
Median Row Crop Tractor16
D15 Series I is in the 16th percentile; D40 is in the 27th · 1,200 models
D15 Series I (A)D40 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CaseIH | — |
| Model | D15 Series I | D40 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Shibaura | — |
| Model | Allis Chalmers | Not recorded | — |
| Power Output | 40hp | 40hp | Same |
| Rated RPM | 2,000RPM | 2,600RPM | ▲ D40+600 RPM · +30% |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 122ci | ▲ D15 Series I+27 ci · +22% |
| Bore | 3.5in | 3.3in | ▲ D15 Series I+0.2 in · +6% |
| Stroke | 3.9in | 3.5in | ▲ D15 Series I+0.4 in · +11% |
Transmission
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Synchronized Shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Length | 130in | 116in | ▲ D15 Series I+14 in · +12% |
| Width | 66.9in | 61.3in | ▲ D15 Series I+5.6 in · +9% |
| Height | 79.9in | 94in | ▲ D40+14.1 in · +18% |
| Operating Weight | 3,990lb | 2,998lb | ▲ D15 Series I+992 lb · +33% |
Hydraulics
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Steering Type | Manual | Power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Not recorded | — |
| Hitch Category | II/I | I | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Power | — |
| Brake Type | Expanding shoe | Not recorded | — |
Electrical
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Coolant | 2.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D15 Series I | CaseIH D40 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 4th percentile (40 hp)B · 4th percentile (40 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 2nd percentile (122 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 27th percentile (12)
Operating Weight
median 12,307 lbA · 5th percentile (3,990 lb)B · 2nd percentile (2,998 lb)
A · D15 Series IB · D40Median Row Crop Tractor