UtilityPerformance profile
RK Tractors RK37H
The RK37H is a utility tractor made by RK Tractors. It's a 4-wheel drive tractor with power steering, making it easy to handle in tough conditions. The tractor has a hydrostatic transmission, which means it can change speeds smoothly without shifting gears. This makes it great for jobs that need precise speed control. Under the hood, the RK37H has a Yanmar diesel engine with 3 cylinders. The engine is liquid-cooled and uses common rail direct injection. It produces 37.4 horsepower, which is about average for its class. The engine runs at a very high 3000 RPM, giving it plenty of power for various tasks. The tractor weighs 3106 pounds, which is on the lighter side for utility tractors. It has a Category I hitch at the rear for attaching implements. The open operator station comes with a roll-over protection system (ROPS) for safety.
ManufacturerRK TractorsPower37.4 hpEngine3-cylTransHydrostatic
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 37hp
- Operating Weight
- 3,106 lb
- Transmission
- Hydrostatic
At a glance
How the RK37H compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
37.4 hp · 31st
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The RK37H ranks at the 31st percentile for engine power among recorded utility tractors.
Overview
About the RK Tractors RK37H
The RK37H is a utility tractor made by RK Tractors. It's a 4-wheel drive tractor with power steering, making it easy to handle in tough conditions. The tractor has a hydrostatic transmission, which means it can change speeds smoothly without shifting gears. This makes it great for jobs that need precise speed control. Under the hood, the RK37H has a Yanmar diesel engine with 3 cylinders. The engine is liquid-cooled and uses common rail direct injection. It produces 37.4 horsepower, which is about average for its class. The engine runs at a very high 3000 RPM, giving it plenty of power for various tasks. The tractor weighs 3106 pounds, which is on the lighter side for utility tractors. It has a Category I hitch at the rear for attaching implements. The open operator station comes with a roll-over protection system (ROPS) for safety.
Full specifications
Every recorded spec
General
| Manufacturer | RK Tractors |
|---|---|
| Model | RK37H |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 3,106lb |
Engine
| Make | Yanmar |
|---|---|
| Model | 3TNV88-CR |
| Power | 37.4hp |
| Cylinders | 3 |
| Displacement | 100.2ci |
| Bore | 3.39in |
| Stroke | 3.54in |
Transmission
| Type | Hydrostatic |
|---|
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
| Cab | Open with ROPS |
Dimensions
| Length | 126in |
|---|---|
| Width | 53.5in |
| Height | 94.5in |
| Operating weight | 3,106lb |
Tires
| Front | 16-Jul |
|---|---|
| Rear | 11.2x24 |
Head to head
RK37H vs. Utility median
How the RK Tractors RK37H compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 37.4 hp | 55 hp | -32% | 31st |
| Engine Displacement | 100 ci | 183 ci | -45% | 22nd |
| Cylinders | 3 | 4 | -25% | 23rd |
| Operating Weight | 3,106 lb | 5,303 lb | -41% | 24th |
| Length | 126 in | 137 in | -8% | 36th |
| Width | 53.5 in | 66 in | -19% | 23rd |
| Height | 94.5 in | 94.1 in | 0% | 51st |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared RK Tractors tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| RK Tractors RK37 | 37.4 hp | 3,064 lb | 2017+ | Compare → |
| RK Tractors RK37HC | 37.4 hp | 3,450 lb | — | Compare → |
| RK Tractors RK37S | 37.4 hp | 3,065 lb | — | Compare → |
| RK Tractors RK37SC | 37.4 hp | 3,417 lb | — | Compare → |
| RK Tractors RK24H | 24 hp | 1,610 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers D15 | 37.44 hp | 4,036 lb | — | Compare → |
| Avery 20-35 | 37.33 hp | 7,550 lb | 1923+ | Compare → |
| Allis Chalmers D14 | 37 hp | 3,500 lb | 1957–1960 | Compare → |
| Antonio Carraro Tigre 4000F | 38 hp | 2,756 lb | — | Compare → |
| Antonio Carraro TTR 4400 | 38 hp | 2,811 lb | — | Compare → |
Explore
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FAQ
Common questions
What is the engine power output of the RK Tractors RK37H?
Rated engine output for the RK Tractors RK37H is 37.4 hp, delivered by a 3-cylinder engine. The engine displaces 100.2 ci.
What are the factory tire sizes for the RK Tractors RK37H?
The RK Tractors RK37H comes with 16-Jul front tires and 11.2x24 rear tires.
What three-point hitch category does the RK Tractors RK37H use?
The RK Tractors RK37H has a Category I three-point hitch.
What is the operating weight of the RK Tractors RK37H?
In working trim, the RK Tractors RK37H comes in at roughly 3,106 lb.
Which transmission does the RK Tractors RK37H use?
The RK Tractors RK37H is equipped with a Hydrostatic transmission.
How do I maintain a RK Tractors RK37H?
Routine service for the RK Tractors RK37H covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.