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LSModel A
LS Rio R28
Sub-Compact
- power
- 28 hp
- displacement
- 91.5 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Sub-Compact
Sub-Compact

Sub-Compact
How they compare
Rio R28 is in the 53rd percentile; AF328 is in the 53rd · 816 models
Rio R28 is in the 52nd percentile; AF328 is in the 49th · 757 models
Rio R28 is in the 90th percentile; AF328 is in the 50th · 802 models
Rio R28 is in the 73rd percentile; AF328 is in the 89th · 616 models
Full comparison
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Manufacturer | LS | Yanmar | — |
| Model | Rio R28 | AF328 | — |
| Category | Sub-Compact | Sub-Compact | Same |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Manufacturer | Mitsubishi | Yanmar | — |
| Model | S4L | 3TNE84 | — |
| Power Output | 28hp | 28hp | Same |
| Rated RPM | 2,600RPM | 2,500RPM | ▲ Rio R28+100 RPM · +4% |
| Cylinders | 4 | 3 | ▲ Rio R28+1 · +33% |
| Displacement | 91.5ci | 91.3ci | ▲ Rio R28+0.2 ci · <1% |
| Bore | 3.1in | 3.3in | ▲ AF328+0.2 in · +6% |
| Stroke | 3.1in | 3.5in | ▲ AF328+0.4 in · +13% |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Type | Synchro Shuttle | Power shuttle | — |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Length | 118in | 116in | ▲ Rio R28+2 in · +2% |
| Width | Not recorded | 53.7in | — |
| Height | 91.1in | 76.6in | ▲ Rio R28+14.5 in · +19% |
| Operating Weight | 2,646lb | 2,756lb | ▲ AF328+110 lb · +4% |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Steering Type | Hydrostatic power | Not recorded | — |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Speed 1 | Not recorded | 568rpm | — |
| Speed 2 | Not recorded | 784rpm | — |
| Speed 3 | Not recorded | 991rpm | — |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Not recorded | — |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Spec | LS Rio R28 | Yanmar AF328 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Category context