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 Fendt 3125
Image not recorded
FendtModel B
Fendt 3125
Utility
- power
- 123 hp
- displacement
- 247 ci
- Cylinders
- 4
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers D21 Series II
vs
FendtFendt 3125
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 3125 higher · +2 hp (+2%)D21 Series II121 hp
3125123 hp
Median Row Crop Tractor138 hp
D21 Series II is in the 40th percentile; 3125 is in the 41st · 1,206 models
Engine Displacement
▲ D21 Series II higher · +179 ci (+72%)D21 Series II426 ci
3125247 ci
Median Row Crop Tractor391 ci
D21 Series II is in the 72nd percentile; 3125 is in the 16th · 1,409 models
Cylinders
▲ D21 Series II higher · +2 (+50%)D21 Series II6
31254
Median Row Crop Tractor6
D21 Series II is in the 50th percentile; 3125 is in the 17th · 1,417 models
Operating Weight
▲ 3125 higher · +88 lb (<1%)D21 Series II9,502 lb
31259,590 lb
Median Row Crop Tractor12,307 lb
D21 Series II is in the 28th percentile; 3125 is in the 28th · 1,350 models
D21 Series II (A)3125 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Fendt | — |
| Model | D21 Series II | 3125 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Not recorded | — |
| Model | 3500 | Not recorded | — |
| Power Output | 121hp | 123hp | ▲ 3125+2 hp · +2% |
| Rated RPM | 2,200RPM | 2,100RPM | ▲ D21 Series II+100 RPM · +5% |
| Cylinders | 6 | 4 | ▲ D21 Series II+2 · +50% |
| Displacement | 426ci | 247ci | ▲ D21 Series II+179 ci · +72% |
| Bore | 4.3in | Not recorded | — |
| Stroke | 5in | Not recorded | — |
Transmission
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Stepless Vario transmission | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Length | 160in | 164in | ▲ 3125+4 in · +3% |
| Width | 91.3in | 94.8in | ▲ 3125+3.5 in · +4% |
| Height | 106in | 110in | ▲ 3125+4 in · +4% |
| Wheelbase | Not recorded | 93.6in | — |
| Ground Clearance | Not recorded | 18.8in | — |
| Operating Weight | 9,502lb | 9,590lb | ▲ 3125+88 lb · <1% |
Hydraulics
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Pump Flow Capacity | Not recorded | 20.7gpm | — |
| Pressure | Not recorded | 2,901psi | — |
| Steering Type | Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Fuel Capacity | Not recorded | 55.5gal | — |
| Coolant | 7.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series II | Fendt 3125 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 40th percentile (121 hp)B · 41st percentile (123 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 16th percentile (247 ci)
Cylinders
median 6A · 50th percentile (6)B · 17th percentile (4)
Operating Weight
median 12,307 lbA · 28th percentile (9,502 lb)B · 28th percentile (9,590 lb)
Length
median 180 inA · 25th percentile (160 in)B · 29th percentile (164 in)
A · D21 Series IIB · 3125Median Row Crop Tractor