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RK TractorsModel A
RK Tractors RK37H
Utility
- power
- 37.4 hp
- displacement
- 100 ci
- Cylinders
- 3
- Forward gears
- Not recorded
Head to head · Utility
RK Tractors RK37H vs RK Tractors RK55S
RK TractorsModel B
RK Tractors RK55S
Utility
- power
- 55.1 hp
- displacement
- 128 ci
- Cylinders
- 4
- Forward gears
- 16
RK TractorsRK Tractors RK37H
vs
RK TractorsRK Tractors RK55S
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ RK55S higher · +17.7 hp (+47%)RK37H37.4 hp
RK55S55.1 hp
Median Utility Tractor55 hp
RK37H is in the 31st percentile; RK55S is in the 50th · 5,383 models
Engine Displacement
▲ RK55S higher · +28 ci (+28%)RK37H100 ci
RK55S128 ci
Median Utility Tractor183 ci
RK37H is in the 22nd percentile; RK55S is in the 30th · 5,580 models
Cylinders
▲ RK55S higher · +1 (+33%)RK37H3
RK55S4
Median Utility Tractor4
RK37H is in the 23rd percentile; RK55S is in the 50th · 5,720 models
Operating Weight
▲ RK55S higher · +708 lb (+23%)RK37H3,106 lb
RK55S3,814 lb
Median Utility Tractor5,303 lb
RK37H is in the 24th percentile; RK55S is in the 34th · 5,107 models
RK37H (A)RK55S (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Manufacturer | RK Tractors | RK Tractors | Same |
| Model | RK37H | RK55S | — |
| Category | Utility | Utility | Same |
Engine
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Manufacturer | Yanmar | Yanmar | Same |
| Model | 3TNV88-CR | 4TNV86T-CR | — |
| Power Output | 37.4hp | 55.1hp | ▲ RK55S+17.7 hp · +47% |
| Rated RPM | 3,000RPM | 2,800RPM | ▲ RK37H+200 RPM · +7% |
| Cylinders | 3 | 4 | ▲ RK55S+1 · +33% |
| Displacement | 100ci | 128ci | ▲ RK55S+28 ci · +28% |
| Bore | 3.4in | 3.4in | Same |
| Stroke | 3.5in | 3.5in | Same |
Transmission
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Type | Hydrostatic | Mechanical shuttle | — |
Dimensions & Weight
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Length | 126in | 141in | ▲ RK55S+15 in · +12% |
| Width | 53.5in | 63.8in | ▲ RK55S+10.3 in · +19% |
| Height | 94.5in | 102in | ▲ RK55S+7.5 in · +8% |
| Operating Weight | 3,106lb | 3,814lb | ▲ RK55S+708 lb · +23% |
Hydraulics
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Steering Type | Power | Power | Same |
Tires
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Front Tire Size | 16-Jul | Not recorded | — |
| Rear Tire Size | 11.2x24 | Not recorded | — |
Hitch & Towing
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Hitch Type | Category 3 | Not recorded | — |
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | 4x4 MFWD 4WD | Same |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Power | Power | Same |
Electrical
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | RK Tractors RK37H | RK Tractors RK55S | Difference |
|---|---|---|---|
| Type | Open with ROPS | ROPS | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 31st percentile (37.4 hp)B · 50th percentile (55.1 hp)
Engine Displacement
median 183 ciA · 22nd percentile (100 ci)B · 30th percentile (128 ci)
Cylinders
median 4A · 23rd percentile (3)B · 50th percentile (4)
Operating Weight
median 5,303 lbA · 24th percentile (3,106 lb)B · 34th percentile (3,814 lb)
Length
median 137 inA · 36th percentile (126 in)B · 57th percentile (141 in)
A · RK37HB · RK55SMedian Utility Tractor