Rural King RK55 vs Rural King RK55S
Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.
Across 9 measurable specs, the Rural King RK55 leads 1 categories to 0 (8 tied). Machine pages: Rural King RK55 and Rural King RK55S.
Want a third or fourth machine in the mix? Open this matchup in the comparison tool and add up to two more.
Category Verdict
| Spec | Rural King RK55 | Rural King RK55S |
|---|---|---|
| Engine HP (hp) | 55.1 hp | 55.1 hp |
| PTO HP (hp) | 44.9 hp | 44.9 hp |
| Weight (lb) | ▲ 4,233 lb | 3,814 lb |
| Loader Lift (lb) | 2,478 lb | 2,478 lb |
| 3-Pt Lift (24 in) (lb) | 2,945 lb | 2,945 lb |
| Lift Height (in) | 110 in | 110 in |
| Breakout Force (lbf) | 4,938 lbf | 4,938 lbf |
| Hydraulic Flow (gpm) | 14.5 gpm | 14.5 gpm |
| Travel Speed (mph) | 18.4 mph | 18.4 mph |
Full Spec Sheet
Every published spec, side by side, including the details the graphs above don't chart.
| Spec | Rural KingRK55 | Rural KingRK55S |
|---|
| Engine Manufacturer | Yanmar | Yanmar |
|---|---|---|
| Engine Model | 4TNV86T-CR | 4TNV86T-CR |
| Engine Type | 4-cycle, inline, water-cooled, turbocharged diesel | 4-cycle, inline, water-cooled, turbocharged diesel |
| No. of Cylinders | 4 | 4 |
| Displacement | 127.6 in³ | 127.6 in³ |
| Rated Engine Speed | 2800 rpm | 2800 rpm |
| Engine Power (Gross) | 55.1 hp | 55.1 hp |
| PTO Power | RK55S: 44.9 hp; RK55H: 42.2 hp; RK55SC: 44.9 hp; RK55HC: 42.2 hp | 44.9 hp |
| Engine Emissions Constraints | Tier 4 | Tier 4 |
| Cooling System Type | Water-cooled, forced circulation with fan | Water-cooled, forced circulation with fan |
| Air Cleaner | Dry dual element | Dry dual element |
| Fuel System | Common Rail Direct Injection | Common Rail Direct Injection |
| Alternator | 70 A, 12 V | 70 A, 12 V |
Rural King RK55 vs Rural King RK55S: Quick Answers
- Which has more horsepower, the Rural King RK55 or the Rural King RK55S?
- They are effectively tied: both machines are rated at 55.1 hp hp for engine hp.
- Which has more PTO horsepower, the Rural King RK55 or the Rural King RK55S?
- They are effectively tied: both machines are rated at 44.9 hp hp for pto hp.
- Which is heavier, the Rural King RK55 or the Rural King RK55S?
- The Rural King RK55 leads on weight at 4,233 lb lb, compared to 3,814 lb lb for the Rural King RK55S.
- Which has more loader lift capacity, the Rural King RK55 or the Rural King RK55S?
- They are effectively tied: both machines are rated at 2,478 lb lb for loader lift.
- Which has more three-point hitch lift capacity, the Rural King RK55 or the Rural King RK55S?
- They are effectively tied: both machines are rated at 2,945 lb lb for 3-pt lift (24 in).