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Head to head · Row Crop
AGCO DT225 vs Allis Chalmers HD21

Allis ChalmersModel B
Allis Chalmers HD21
Agricultural
- power
- 225 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 2
AGCOAGCO DT225
vs
Allis ChalmersAllis Chalmers HD21
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedDT225225 hp
HD21225 hp
Median Row Crop Tractor138 hp
DT225 is in the 83rd percentile; HD21 is in the 83rd · 1,206 models
Engine Displacement
▲ HD21 higher · +339 ci (+67%)DT225505 ci
HD21844 ci
Median Row Crop Tractor391 ci
DT225 is in the 89th percentile; HD21 is in the 99th · 1,409 models
Cylinders
= Effectively tiedDT2256
HD216
Median Row Crop Tractor6
DT225 is in the 50th percentile; HD21 is in the 50th · 1,417 models
Forward Gears
▲ DT225 higher · +16 (+800%)DT22518
HD212
Median Row Crop Tractor16
DT225 is in the 61st percentile; HD21 is in the 1st · 1,200 models
DT225 (A)HD21 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Manufacturer | AGCO | Allis Chalmers | — |
| Model | DT225 | HD21 | — |
| Category | Row Crop | Agricultural | — |
Engine
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Manufacturer | Cummins | Allis-Chalmers | — |
| Model | C8.3L | Not recorded | — |
| Power Output | 225hp | 225hp | Same |
| Rated RPM | 2,200RPM | 1,800RPM | ▲ DT225+400 RPM · +22% |
| Cylinders | 6 | 6 | Same |
| Displacement | 505ci | 844ci | ▲ HD21+339 ci · +67% |
| Bore | 4.5in | 5.3in | ▲ HD21+0.8 in · +18% |
| Stroke | 5.3in | 6.5in | ▲ HD21+1.2 in · +23% |
Transmission
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Type | Full power shift | Torque Converter | — |
Dimensions & Weight
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Length | 203in | 198in | ▲ DT225+5 in · +3% |
| Width | 98in | Not recorded | — |
| Height | 121in | 99in | ▲ DT225+22 in · +22% |
| Operating Weight | 19,700lb | 45,500lb | ▲ HD21+25,800 lb · +131% |
Hydraulics
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| System Type | Closed center pressure flow compensated (PFC) | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
Power Take-off (PTO)
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | Category 3/3N | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
| Hitch Capacity | 19,005lb | Not recorded | — |
Chassis & Drive
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | Not recorded | — |
| Drive Type | MFWD | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Brake Type | Hydraulic wet disc | Not recorded | — |
Electrical
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 20gal | — |
Operator Station
| Spec | AGCO DT225 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Type | Cab | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 83rd percentile (225 hp)B · 83rd percentile (225 hp)
Engine Displacement
median 391 ciA · 89th percentile (505 ci)B · 99th percentile (844 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 61st percentile (18)B · 1st percentile (2)
Operating Weight
median 12,307 lbA · 84th percentile (19,700 lb)B · 99th percentile (45,500 lb)
A · DT225B · HD21Median Row Crop Tractor