| Manufacturer | RK Tractors |
| Price | 18,999(USD) |
| Model | RK37H |
| Equipment Type | Compact Utility Tractors |
| Factory |
RK TRACTORS RK37H POWER
| Engine (gross) | 37.4 hp/27.9 kW |
| PTO (claimed) | 28.8 hp/21.5 kW |
ENGINE DETAIL
The RK37H tractor is powered by a Yanmar 3TNV88-CR diesel engine, offering a robust 37.4 hp at a rated RPM of 3000, making it suitable for various agricultural tasks. Its liquid-cooled system enhances engine efficiency by maintaining optimal operating temperatures, while the common rail direct injection fuel system improves fuel atomization for better combustion and reduced emissions. However, with a relatively modest power output, it may face challenges in heavy-duty applications, making it ideal for light to moderate farming activities rather than intensive operations.
| Description | Yanmar 3TNV88-CR/diesel/3-cylinder/liquid-cooled |
| Displacement | 100.2 ci/1.6 L |
| Bore/Stroke | 3.39x3.54 inches/86 x 90 mm |
| Power (gross) | 37.4 hp/27.9 kW |
| Fuel system | common rail direct injection |
| Rated RPM | 3000 |
| Starter | electric |
| Starter volts | 12 |
RK TRACTORS RK37H ENGINE
The RK Tractors RK37H, powered by a Yanmar 1.6L 3-cylinder diesel engine, offers a compact yet robust solution for various agricultural tasks, providing efficient fuel consumption with a 9-gallon tank. Its engine ensures strong torque output suitable for powerful implements but may require higher RPMs for optimal performance. This tractor is ideal for smaller farms or landscaping tasks, balancing power with ease of maneuverability.
| Description | Yanmar 1.6L 3-cyl diesel |
| Fuel tank | 9 gal/34.1 L |
TRANSMISSION
The RK37H tractor features a hydrostatic transmission system, allowing for seamless speed adjustments without the need for shifting gears, enhancing operator comfort and precision during various tasks. Its infinite 3-range forward and reverse gears provide versatility for both speed and torque, making it suitable for diverse applications such as landscaping or light agricultural work. However, operators should be aware that hydrostatic systems may have higher maintenance costs and can lead to reduced power transfer efficiency compared to traditional gear systems.
| Type | hydrostatic |
| Gears | infinite (3-range) forward and reverse |
MECHANICAL
The RK37H tractor features a 4x4 MFWD configuration, ensuring enhanced traction and stability across varied terrains. Its hydrostatic transmission allows for smooth speed regulation and ease of operation, particularly in tasks requiring precise maneuverability—an advantage in applications like mowing or material handling. However, the two-post ROPS may offer less rollover protection compared to full cab models, presenting a potential safety concern in hilly or uneven environments.
| Chassis | 4x4 MFWD 4WD |
| Steering | power |
| Brakes | wet disc |
| Cab | Two-post ROPS. |
| Transmission | hydrostatic |
HYDRAULICS
| Valves | 1 |
| Pump flow | 6.4 gpm/24.2 lpm |
| Total flow | 11 gpm/41.6 lpm |
| Steering flow | 4.6 gpm/17.4 lpm |
TRACTOR HITCH
| Rear Type | I |
| Control | position control |
| Rear lift (at ends) | 2646 lbs/1200 kg |
| Rear lift (at 24 | 1764 lbs/800 kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic |
| Rear RPM | 540 (1.375) |
| Mid PTO | Optional |
RK TRACTORS RK37H TIRES
The RK37H tractor offers versatile tire options for varying agricultural, lawn/turf, and industrial applications, enhancing traction and stability based on terrain. The standard agricultural tires (7-16 front, 11.2x24 rear) provide excellent grip for field work, while the lawn/turf tires (28x8.5-15 front, 41x14-20 rear) are designed to minimize soil compaction and protect grass surfaces. Industrial tires (10-16.5 front, 43x16-20 rear) feature robust construction for durability, suited for loading and hauling tasks on uneven surfaces, but may compromise soil engagement compared to ag tires.
| Standard tires (ag) | Front: 7-16. Rear: 11.2x24 |
| Lawn/turf front | 28x8.5-15 |
| Lawn/turf rear | 41x14-20 |
| Industrial front | 10-16.5 |
| Industrial rear | 43x16-20 |
DIMENSIONS
| Wheelbase | 66.1 inches/167 cm |
| Length | 126 inches/320 cm |
| Width | 53.5 inches/135 cm |
| Height (ROPS) | 94.5 inches/240 cm |
| Weight | 3106 lbs/1408 kg |
| Ground clearance | 12.8 inches/32 cm |
DIMENSIONS & TIRES
The RK37H features a compact wheelbase of 66.1 inches, enhancing maneuverability in tight spaces, ideal for small farms or landscaping tasks. Weighing 3106 lbs, it provides stability during operations, but may present challenges in heavier soil conditions due to potential soil compaction. The tire specifications suggest versatility; front tires (7-16) offer good traction while the rear (11.2x24) support heavier loads, making it suitable for a range of implements but potentially limiting performance in very rough terrains.
| Wheelbase | 66.1 inches/167 cm |
| Weight | 3106 lbs/1408 kg |
| Front tire | 7-16 |
| Rear tire | 11.2x24 |
ATTACHMENT OVERVIEW
| Description | Front-end loader/Backhoe |
RK TRACTORS L102 LOADER
| Loader weight | 1052 lbs/477 kg |
| Height (to pin) | 102.3 inches/259 cm |
| Clearance, dumped bucket | 77.4 inches/196 cm |
| Dump reach | 23.2 inches/58 cm |
| Dump angle | 40?/ |
| Reach at ground | 67.2 inches/170 cm |
| Rollback angle | 30?/ |
| Breakout force (at pin) | 3435 lbs/1558 kg |
| Lift to full height (at pin) | 2116 lbs/959 kg |
| Bucket width | 62 inches/157 cm |
| Attachment style | quick coupler |
RK TRACTORS BH7.5 BACKHOE
| Backhoe type | RK Tractors BH7.5 Backhoe |
| Weight | 1340 lbs/607 kg *Without bucket |
| Transport height | 85.2 inches/216 cm |
| Bucket width | 9 inches/22 cm/12 inches/30 cm/16 inches/40 cm/18 inches/45 cm/24 inches/60 cm |
| 2-Foot flat digging depth | 91.2 inches/231 cm |
| Reach from pivot | 123.6 inches/313 cm |
| Loading height | 90 inches/228 cm |
| Bucket Rotation | 149 |
| Swing Arc | 180 |
| Bucket force | 4554 lbs/2065 kg |
| Dipperstick force | 2530 lbs/1147 kg |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 55 |
| Battery volts | 12 |