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 Schluter Super 1250VL
Image not recorded
SchluterModel B
Schluter Super 1250VL
Agricultural
- power
- 125 hp
- displacement
- 435 ci
- Cylinders
- 6
- Forward gears
- 12
Allis ChalmersAllis Chalmers D21 Series II
vs
SchluterSchluter Super 1250VL
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ Super 1250VL higher · +4 hp (+3%)D21 Series II121 hp
Super 1250VL125 hp
Median Row Crop Tractor138 hp
D21 Series II is in the 40th percentile; Super 1250VL is in the 42nd · 1,206 models
Engine Displacement
▲ Super 1250VL higher · +9 ci (+2%)D21 Series II426 ci
Super 1250VL435 ci
Median Row Crop Tractor391 ci
D21 Series II is in the 72nd percentile; Super 1250VL is in the 73rd · 1,409 models
Cylinders
= Effectively tiedD21 Series II6
Super 1250VL6
Median Row Crop Tractor6
D21 Series II is in the 50th percentile; Super 1250VL is in the 50th · 1,417 models
Forward Gears
▲ Super 1250VL higher · +4 (+50%)D21 Series II8
Super 1250VL12
Median Row Crop Tractor16
D21 Series II is in the 16th percentile; Super 1250VL is in the 27th · 1,200 models
D21 Series II (A)Super 1250VL (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Schluter | — |
| Model | D21 Series II | Super 1250VL | — |
| Category | Row Crop | Agricultural | — |
Engine
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Schluter | — |
| Model | 3500 | SDM 110 W 6 | — |
| Power Output | 121hp | 125hp | ▲ Super 1250VL+4 hp · +3% |
| Rated RPM | 2,200RPM | 2,000RPM | ▲ D21 Series II+200 RPM · +10% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 435ci | ▲ Super 1250VL+9 ci · +2% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 4.9in | ▲ D21 Series II+0.1 in · +2% |
Transmission
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Manual | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Length | 160in | Not recorded | — |
| Width | 91.3in | Not recorded | — |
| Height | 106in | Not recorded | — |
| Operating Weight | 9,502lb | 11,477lb | ▲ Super 1250VL+1,975 lb · +21% |
Hydraulics
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Steering Type | Power | Hydrostatic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Rear Tire Size | Not recorded | 18.4-38 | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | 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 | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Hydrostatic power | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | Difference |
|---|---|---|---|
| Coolant | 7.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series II | Schluter Super 1250VL | 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 · 73rd percentile (435 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 27th percentile (12)
Operating Weight
median 12,307 lbA · 28th percentile (9,502 lb)B · 43rd percentile (11,477 lb)
A · D21 Series IIB · Super 1250VLMedian Row Crop Tractor