| Manufacturer | RK Tractors |
| Price | 16,999(USD) |
| Model | RK37S |
| Equipment Type | Compact Utility Tractors |
| Factory |
RK TRACTORS RK37S POWER
| Engine (gross) | 37.4 hp/27.9 kW |
| PTO (claimed) | 30.2 hp/22.5 kW |
ENGINE DETAIL
The RK37S features a robust Yanmar 3-cylinder diesel engine with 37.4 hp, providing reliable power for various agricultural tasks. Its common rail direct injection system enhances fuel efficiency and reduces emissions, making it environmentally friendly. With a rated RPM of 3000, the tractor is well-suited for tasks requiring sustained power, but its performance may be limited in high-demand scenarios compared to larger models.
| 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 RK37S ENGINE
The RK37S is powered by a Yanmar 1.6L 3-cylinder diesel engine, providing efficient fuel consumption and optimal torque for various agricultural applications. With a 9-gallon fuel tank capacity, it allows for extended operation between refueling, making it suitable for longer tasks or larger properties. However, the smaller engine size may limit power for heavy-duty attachments; operators should consider their workload requirements when choosing this model.
| Description | Yanmar 1.6L 3-cyl diesel |
| Fuel tank | 9 gal/34.1 L |
TRANSMISSION
The RK37S features a syncro shuttle transmission with 12 forward and reverse gears, providing flexibility and efficiency in various field applications. This setup allows for smooth directional changes and precise speed control, which is advantageous for tasks requiring frequent stops and starts, like tilling or planting. However, operators should be mindful of the learning curve associated with mastering gear selection for optimal performance.
| Type | syncro shuttle |
| Gears | 12 forward and reverse |
MECHANICAL
The RK Tractors RK37S features a robust 4x4 MFWD system, enhancing traction and stability in diverse terrain, making it ideal for both agricultural and utility tasks. Its power steering allows for effortless maneuverability, while the wet disc brakes provide reliable stopping performance under heavy load. The 12-speed syncro shuttle transmission facilitates smooth gear transitions, allowing operators to optimize performance for various field conditions but may require familiarity for efficient use.
| Chassis | 4x4 MFWD 4WD |
| Steering | power |
| Brakes | wet disc |
| Cab | Two-post ROPS. |
| Transmission | 12-speed syncro shuttle |
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) |
RK TRACTORS RK37S TIRES
The RK37S tractor features standard agricultural tires (7-16 front and 11.2x24 rear) suitable for soil engagement and traction in fieldwork scenarios. Optional lawn/turf (28x8.5-15 front, 41x14-20 rear) tires offer lower ground pressure for sensitive turf applications, preventing soil compaction, while industrial tires (10-16.5 front, 43x16-20 rear) enhance stability and durability on hard surfaces. Each tire option caters to specific operational needs, ensuring versatility across varied agricultural, landscaping, and industrial tasks.
| 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 | 64.5 inches/163 cm |
| Length | 126 inches/320 cm |
| Width | 53.5 inches/135 cm |
| Height (ROPS) | 94.5 inches/240 cm |
| Weight | 3065 lbs/1390 kg |
| Ground clearance | 12.8 inches/32 cm |
DIMENSIONS & TIRES
The RK37S tractor features a compact wheelbase of 64.5 inches, enhancing maneuverability in tight spaces, ideal for landscaping or small farm operations. Weighing 3065 lbs, it offers stability for ground engagement tasks while minimizing soil compaction. The front 7-16 and rear 11.2x24 tire specifications provide a balanced traction profile, suitable for a variety of terrains but may limit performance in extremely soft soil conditions.
| Wheelbase | 64.5 inches/163 cm |
| Weight | 3065 lbs/1390 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 |