Allis ChalmersModel A
Allis Chalmers D21 Series II
Row Crop
- power
- 121 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop
Allis Chalmers D21 Series II vs Mahindra 9125
MahindraModel B
Mahindra 9125
Utility
- power
- 125 hp
- displacement
- 216 ci
- Cylinders
- 4
- Forward gears
- 32
Allis ChalmersAllis Chalmers D21 Series II
vs
MahindraMahindra 9125
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 9125 higher · +4 hp (+3%)D21 Series II121 hp
9125125 hp
Median Row Crop Tractor138 hp
D21 Series II is in the 40th percentile; 9125 is in the 42nd · 1,206 models
Engine Displacement
▲ D21 Series II higher · +210 ci (+97%)D21 Series II426 ci
9125216 ci
Median Row Crop Tractor391 ci
D21 Series II is in the 72nd percentile; 9125 is in the 10th · 1,409 models
Cylinders
▲ D21 Series II higher · +2 (+50%)D21 Series II6
91254
Median Row Crop Tractor6
D21 Series II is in the 50th percentile; 9125 is in the 17th · 1,417 models
Forward Gears
▲ 9125 higher · +24 (+300%)D21 Series II8
912532
Median Row Crop Tractor16
D21 Series II is in the 16th percentile; 9125 is in the 91st · 1,200 models
D21 Series II (A)9125 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Mahindra | — |
| Model | D21 Series II | 9125 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Mahindra | — |
| Model | 3500 | Not recorded | — |
| Power Output | 121hp | 125hp | ▲ 9125+4 hp · +3% |
| Rated RPM | 2,200RPM | 2,300RPM | ▲ 9125+100 RPM · +5% |
| Cylinders | 6 | 4 | ▲ D21 Series II+2 · +50% |
| Displacement | 426ci | 216ci | ▲ D21 Series II+210 ci · +97% |
| Bore | 4.3in | Not recorded | — |
| Stroke | 5in | Not recorded | — |
Transmission
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Power shuttle with sync shuttle option | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Length | 160in | 169in | ▲ 9125+9 in · +6% |
| Width | 91.3in | 90.9in | ▲ D21 Series II+0.4 in · <1% |
| Height | 106in | 107in | ▲ 9125+1 in · <1% |
| Operating Weight | 9,502lb | 9,385lb | ▲ D21 Series II+117 lb · +1% |
Hydraulics
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Power | Open Center | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | 540rpm | ▲ D21 Series II+460 rpm · +85% |
| Speed 2 | Not recorded | 750rpm | — |
| Speed 3 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Open Center | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Coolant | 7.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series II | Mahindra 9125 | Difference |
|---|---|---|---|
| Type | Open | Cab | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 40th percentile (121 hp)B · 42nd percentile (125 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 10th percentile (216 ci)
Cylinders
median 6A · 50th percentile (6)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 91st percentile (32)
Operating Weight
median 12,307 lbA · 28th percentile (9,502 lb)B · 27th percentile (9,385 lb)
A · D21 Series IIB · 9125Median Row Crop Tractor