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 Deutz-Fahr AgroStar 6.38
Image not recorded
Deutz-FahrModel B
Deutz-Fahr AgroStar 6.38
Row Crop
- power
- 125 hp
- displacement
- 374 ci
- Cylinders
- 6
- Forward gears
- 48
Allis ChalmersAllis Chalmers D21 Series II
vs
Deutz-FahrDeutz-Fahr AgroStar 6.38
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ AgroStar 6.38 higher · +4 hp (+3%)D21 Series II121 hp
AgroStar 6.38125 hp
Median Row Crop Tractor138 hp
D21 Series II is in the 40th percentile; AgroStar 6.38 is in the 42nd · 1,206 models
Engine Displacement
▲ D21 Series II higher · +52 ci (+14%)D21 Series II426 ci
AgroStar 6.38374 ci
Median Row Crop Tractor391 ci
D21 Series II is in the 72nd percentile; AgroStar 6.38 is in the 48th · 1,409 models
Cylinders
= Effectively tiedD21 Series II6
AgroStar 6.386
Median Row Crop Tractor6
D21 Series II is in the 50th percentile; AgroStar 6.38 is in the 50th · 1,417 models
Forward Gears
▲ AgroStar 6.38 higher · +40 (+500%)D21 Series II8
AgroStar 6.3848
Median Row Crop Tractor16
D21 Series II is in the 16th percentile; AgroStar 6.38 is in the 99th · 1,200 models
D21 Series II (A)AgroStar 6.38 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Deutz-Fahr | — |
| Model | D21 Series II | AgroStar 6.38 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Deutz-Fahr | — |
| Model | 3500 | BF6L 913T | — |
| Power Output | 121hp | 125hp | ▲ AgroStar 6.38+4 hp · +3% |
| Rated RPM | 2,200RPM | 2,300RPM | ▲ AgroStar 6.38+100 RPM · +5% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 374ci | ▲ D21 Series II+52 ci · +14% |
| Bore | 4.3in | 4in | ▲ D21 Series II+0.3 in · +7% |
| Stroke | 5in | 4.9in | ▲ D21 Series II+0.1 in · +2% |
Transmission
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Length | 160in | 187in | ▲ AgroStar 6.38+27 in · +17% |
| Width | 91.3in | Not recorded | — |
| Height | 106in | 111in | ▲ AgroStar 6.38+5 in · +5% |
| Operating Weight | 9,502lb | 10,231lb | ▲ AgroStar 6.38+729 lb · +8% |
Hydraulics
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Steering Type | Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | 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 | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Not recorded | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | Difference |
|---|---|---|---|
| Coolant | 7.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series II | Deutz-Fahr AgroStar 6.38 | 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 · 48th percentile (374 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 99th percentile (48)
Operating Weight
median 12,307 lbA · 28th percentile (9,502 lb)B · 33rd percentile (10,231 lb)
A · D21 Series IIB · AgroStar 6.38Median Row Crop Tractor