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 Mahindra 3640
MahindraModel B
Mahindra 3640
Sub-Compact
- power
- 40 hp
- displacement
- 167 ci
- Cylinders
- 4
- Forward gears
- 12
Allis ChalmersAllis Chalmers D15 Series I
vs
MahindraMahindra 3640
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD15 Series I40 hp
364040 hp
Median Row Crop Tractor138 hp
D15 Series I is in the 4th percentile; 3640 is in the 4th · 1,206 models
Engine Displacement
▲ 3640 higher · +18 ci (+12%)D15 Series I149 ci
3640167 ci
Median Row Crop Tractor391 ci
D15 Series I is in the 4th percentile; 3640 is in the 5th · 1,409 models
Cylinders
= Effectively tiedD15 Series I4
36404
Median Row Crop Tractor6
D15 Series I is in the 17th percentile; 3640 is in the 17th · 1,417 models
Forward Gears
▲ 3640 higher · +4 (+50%)D15 Series I8
364012
Median Row Crop Tractor16
D15 Series I is in the 16th percentile; 3640 is in the 27th · 1,200 models
D15 Series I (A)3640 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Mahindra | — |
| Model | D15 Series I | 3640 | — |
| Category | Row Crop | Sub-Compact | — |
Engine
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Mahindra | — |
| Model | Allis Chalmers | Not recorded | — |
| Power Output | 40hp | 40hp | Same |
| Rated RPM | 2,000RPM | 2,800RPM | ▲ 3640+800 RPM · +40% |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 167ci | ▲ 3640+18 ci · +12% |
| Bore | 3.5in | 3.5in | Same |
| Stroke | 3.9in | 4.3in | ▲ 3640+0.4 in · +10% |
Transmission
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Power Shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Length | 130in | 129in | ▲ D15 Series I+1 in · <1% |
| Width | 66.9in | Not recorded | — |
| Height | 79.9in | 98.7in | ▲ 3640+18.8 in · +24% |
| Operating Weight | 3,990lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Manual | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Three-Point Hitch | — |
| Hitch Category | II/I | II/I | Same |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Not recorded | — |
| Brake Type | Expanding shoe | Not recorded | — |
Electrical
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Coolant | 2.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D15 Series I | Mahindra 3640 | Difference |
|---|---|---|---|
| Type | Open | ROPS | — |
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 · 5th percentile (167 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 27th percentile (12)
Length
median 180 inA · 6th percentile (130 in)B · 5th percentile (129 in)
A · D15 Series IB · 3640Median Row Crop Tractor