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 Valtra A125
Image not recorded
ValtraModel B
Valtra A125
Utility
- power
- 125 hp
- displacement
- 269 ci
- Cylinders
- 4
- Forward gears
- 24
Allis ChalmersAllis Chalmers D21 Series II
vs
ValtraValtra A125
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ A125 higher · +4 hp (+3%)D21 Series II121 hp
A125125 hp
Median Row Crop Tractor138 hp
D21 Series II is in the 40th percentile; A125 is in the 42nd · 1,206 models
Engine Displacement
▲ D21 Series II higher · +157 ci (+58%)D21 Series II426 ci
A125269 ci
Median Row Crop Tractor391 ci
D21 Series II is in the 72nd percentile; A125 is in the 23rd · 1,409 models
Cylinders
▲ D21 Series II higher · +2 (+50%)D21 Series II6
A1254
Median Row Crop Tractor6
D21 Series II is in the 50th percentile; A125 is in the 17th · 1,417 models
Forward Gears
▲ A125 higher · +16 (+200%)D21 Series II8
A12524
Median Row Crop Tractor16
D21 Series II is in the 16th percentile; A125 is in the 81st · 1,200 models
D21 Series II (A)A125 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valtra | — |
| Model | D21 Series II | A125 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | AGCO Power | — |
| Model | 3500 | 44 AWFC | — |
| Power Output | 121hp | 125hp | ▲ A125+4 hp · +3% |
| Rated RPM | 2,200RPM | Not recorded | — |
| Cylinders | 6 | 4 | ▲ D21 Series II+2 · +50% |
| Displacement | 426ci | 269ci | ▲ D21 Series II+157 ci · +58% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 4.7in | ▲ D21 Series II+0.3 in · +6% |
Transmission
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Two-speed power shift | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Length | 160in | Not recorded | — |
| Width | 91.3in | Not recorded | — |
| Height | 106in | Not recorded | — |
| Operating Weight | 9,502lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Steering Type | Power | Power steering | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | Category 3 | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Power steering | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Emissions
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Standard | Not recorded | Stage 5 | — |
Capacities
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Coolant | 7.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series II | Valtra A125 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
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 · 23rd percentile (269 ci)
Cylinders
median 6A · 50th percentile (6)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 81st percentile (24)
A · D21 Series IIB · A125Median Row Crop Tractor