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Allis ChalmersModel A
Allis Chalmers D272
Utility
- power
- 27.5 hp
- displacement
- 125 ci
- Cylinders
- 4
- Forward gears
- 3
Head to head · Utility
Allis Chalmers D272 vs LS Rio R28
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LSModel B
LS Rio R28
Sub-Compact
- power
- 28 hp
- displacement
- 91.5 ci
- Cylinders
- 4
- Forward gears
- 12
Allis ChalmersAllis Chalmers D272
vs
LSLS Rio R28
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ Rio R28 higher · +0.5 hp (+2%)D27227.5 hp
Rio R2828 hp
Median Utility Tractor55 hp
D272 is in the 19th percentile; Rio R28 is in the 20th · 5,383 models
Engine Displacement
▲ D272 higher · +33.5 ci (+37%)D272125 ci
Rio R2891.5 ci
Median Utility Tractor183 ci
D272 is in the 30th percentile; Rio R28 is in the 21st · 5,580 models
Cylinders
= Effectively tiedD2724
Rio R284
Median Utility Tractor4
D272 is in the 50th percentile; Rio R28 is in the 50th · 5,720 models
Forward Gears
▲ Rio R28 higher · +9 (+300%)D2723
Rio R2812
Median Utility Tractor12
D272 is in the 3rd percentile; Rio R28 is in the 50th · 4,941 models
D272 (A)Rio R28 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | LS | — |
| Model | D272 | Rio R28 | — |
| Category | Utility | Sub-Compact | — |
Engine
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Mitsubishi | — |
| Model | 2.1L 4-cyl gasoline | S4L | — |
| Power Output | 27.5hp | 28hp | ▲ Rio R28+0.5 hp · +2% |
| Rated RPM | 1,650RPM | 2,600RPM | ▲ Rio R28+950 RPM · +58% |
| Cylinders | 4 | 4 | Same |
| Displacement | 125ci | 91.5ci | ▲ D272+33.5 ci · +37% |
| Bore | 3.4in | 3.1in | ▲ D272+0.3 in · +10% |
| Stroke | 3.5in | 3.1in | ▲ D272+0.4 in · +13% |
Transmission
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Type | Sliding gear | Synchro Shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Length | 110in | 118in | ▲ Rio R28+8 in · +7% |
| Height | 63in | 91.1in | ▲ Rio R28+28.1 in · +45% |
| Operating Weight | 2,060lb | 2,646lb | ▲ Rio R28+586 lb · +28% |
Hydraulics
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Hydrostatic power | — |
Hitch & Towing
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | I | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Not recorded | Hydrostatic power | — |
Capacities
| Spec | Allis Chalmers D272 | LS Rio R28 | Difference |
|---|---|---|---|
| Coolant | 2gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 19th percentile (27.5 hp)B · 20th percentile (28 hp)
Engine Displacement
median 183 ciA · 30th percentile (125 ci)B · 21st percentile (91.5 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 3rd percentile (3)B · 50th percentile (12)
Operating Weight
median 5,303 lbA · 13th percentile (2,060 lb)B · 18th percentile (2,646 lb)
A · D272B · Rio R28Median Utility Tractor