Manufacturer |
Chery |
Price |
- |
Model |
RM804 |
Equipment Type |
Utility Tractors |
Factory |
China |
CHERY RM804 POWER
Engine (gross) |
80hp / 59.7kW |
PTO (claimed) |
71.2hp / 53.1kW |
ENGINES OVERVIEW
The Chery RM804 tractor is powered by various diesel engine options, including the Quanchai 4.9L 4-cylinder engine, which provides robust torque and fuel efficiency ideal for agricultural tasks. Potential advantages include improved performance and adaptability to different farming conditions, while challenges may arise from varying parts availability based on the engine manufacturer. It is essential to evaluate the specific application to determine the optimal engine choice based on power requirements and local service support.
Description |
Quanchai 4.9L 4-cyl diesel YTO diesel Yuchai diesel |
ENGINE DETAIL 1
The Chery RM804 tractor, powered by the Quanchai 4JR3ABT80X diesel engine, delivers a gross power output of 80 hp at 2200 RPM and generates a robust torque of 236 lb-ft at 1600 RPM, making it suitable for heavy-duty agricultural tasks. The direct injection fuel system enhances fuel efficiency, while the oil bath air cleaner provides superior filtration in dusty environments, extending engine life under challenging conditions. However, the relatively high displacement (4.9L) may lead to increased fuel consumption compared to smaller engines, which should be considered in economic assessments for operations requiring prolonged use.
Description |
Quanchai 4JR3ABT80X diesel 4-cylinder liquid-cooled |
Displacement |
302ci / 4.9L |
Bore/Stroke |
4.252x5.315inches / 108x 135 mm |
Power (gross) |
80hp / 59.7kW |
Fuel system |
direct injection |
Air cleaner |
oil bath |
Rated RPM |
2200 |
Torque |
236 lb-ft /320.0 Nm |
Torque RPM |
1600 |
Starter |
electric |
Starter volts |
12 |
ENGINE DETAIL 2
The Chery RM804 tractor is equipped with a YTO LR4B5 diesel engine, providing reliable liquid cooling for optimal thermal management, which enhances efficiency and extends engine life. An electric starter offers convenient ignition, minimizing manual effort and increasing reliability, especially in colder conditions. However, ensure that the electrical system is well-maintained to prevent starting issues, which may be a challenge in remote scenarios without access to power sources.
Description |
YTO LR4B5 diesel liquid-cooled |
Starter type |
electric |
ENGINE DETAIL 3
The Chery RM804 tractor is equipped with a Yuchai YC4A90-T29 diesel engine, offering liquid cooling which enhances thermal efficiency and prolongs engine life. Its electric starter provides reliable ignition in various conditions, simplifying the operator's experience. A potential advantage of this setup is reduced maintenance requirements compared to manual start systems, while challenges may include reliance on battery health, critical in cold environments.
Description |
Yuchai YC4A90-T29 diesel liquid-cooled |
Starter type |
electric |
CHERY RM804 ENGINES
The Chery RM804 tractor is powered by a robust Quanchai 4.9L 4-cylinder diesel engine, offering a balance of power and fuel efficiency. Its versatility in utilizing YTO or Yuchai diesel engines provides flexibility for operators in diverse agricultural environments. However, maintenance availability for these specific engine types may vary by region, impacting long-term operational reliability.
Description |
Quanchai 4.9L 4-cyl diesel/YTO diesel/Yuchai diesel |
TRANSMISSIONS OVERVIEW
The Chery RM804 tractor features a robust 16-speed transmission, enabling precise speed control and optimal torque management for varying agricultural tasks. Its 8-speed gear and 10-speed shuttle system enhance operational versatility, allowing for smooth direction changes and efficient power delivery. Key advantages include adaptability to diverse field conditions, though operators may require time to master the complexity of gear selection for maximum efficiency.
Description |
16-speed gear 8-speed gear 10-speed shuttle |
TRANSMISSION 1
The Chery RM804 tractor features a 16-forward and 4-reverse gear transmission, allowing for versatile speed and torque management, which aids in various field and transport operations. The 304.8mm dry disc clutch offers reliable engagement and disengagement, essential for smooth operation when transitioning between tasks. However, the dry disc design may necessitate more frequent maintenance compared to wet clutches, potentially limiting prolonged heavy-duty use without servicing.
Type |
gear |
Gears |
16 forward and 4 reverse |
Clutch |
304.8mm dry disc |
TRANSMISSION 2
The Chery RM804 tractor features an 8 forward and 2 reverse gear transmission, which allows for versatile speed control and maneuverability across various terrains. The use of a gear-driven system provides robust torque delivery, beneficial for heavy-duty tasks such as plowing or hauling. However, the limited gear range relative to some modern tractors may impact its performance in highly variable conditions or for precision work, indicating a potential trade-off between simplicity and versatility.
Type |
gear |
Gears |
8 forward and 2 reverse |
TRANSMISSION 3
The Chery RM804 tractor features a shuttle type transmission, allowing for seamless direction changes, which enhances maneuverability in tight spaces. Its 10 forward and reverse gears provide versatility across various terrains and tasks, making it suitable for both agricultural and industrial applications. However, the complexity of the gear system may require careful maintenance to ensure optimal performance and longevity.
Type |
shuttle |
Gears |
10 forward and reverse |
MECHANICAL
The Chery RM804 tractor features a robust 4x4 MFWD system, enhancing traction and stability in varied terrains, making it suitable for challenging agricultural tasks. Its mechanical rear differential lock provides improved traction on slippery or uneven ground, while the hydraulic power steering ensures ease of maneuverability, reducing operator fatigue. Optional pneumatic brakes improve stopping power but may increase maintenance complexity, while the range of transmission options (16-speed, 8-speed, or 10-speed shuttle) allows for tailored performance based on specific operational needs.
Chassis |
4x4 MFWD 4WD |
Differential lock |
mechanical rear |
Steering |
hydraulic power |
Brakes |
pneumatic brake optional |
Cab |
Cab standard. Optional heater or air-conditioning. Available ROPS and canopy. |
Transmissions |
16-speed gear/8-speed gear/10-speed shuttle |
TRACTOR HITCH
Control |
position and float control/optional draft control |
Rear lift (at 24 |
3372lbs / 1529kg |
Drawbar |
fixed drawbar/swinging drawbar optional |
POWER TAKE-OFF (PTO)
Rear PTO |
live |
Rear RPM |
540/760/540/1000 (optional) |
CHERY RM804 TIRES
The Chery RM804 tractor comes with standard agricultural tires: Front 8.3-20 and Rear 14.9-30, providing good traction for general field operations. Optional tire sizes 9.5-24 (front) and 11-32 (rear) offer improved flotation and stability in softer soils, potentially enhancing performance in various terrain conditions. Choosing the right tire configuration is essential; wider tires can reduce ground pressure, mitigating soil compaction while improving handling in diverse agricultural tasks.
Standard tires (ag) |
Front: 8.3-20. Rear: 14.9-30 |
Optional tires (ag) |
Front: 9.5-24. Rear: 11-32 |
DIMENSIONS
Wheelbase |
86.1inches / 218cm |
Length |
156.7inches / 398cm |
Width |
65inches / 165cm |
Height (exhaust) |
103.3inches / 262cm |
Weight |
6526lbs / 2960kg (ROPS)/7033lbs / 3190kg (Cab) |
Ground clearance |
13.2inches / 33cm |
Front tread |
57.1inches / 145cm |
Rear tread |
60.2inches / 152cm |
DIMENSIONS & TIRES
The Chery RM804 tractor features a wheelbase of 86.1 inches, providing stability and maneuverability in tight agricultural spaces. Weighing between 6526 to 7033 pounds enhances traction but could affect transportability off-field. It is equipped with 8.3-20 front and 14.9-30 rear tires, offering a balance of flotation and grip for diverse terrain conditions, though larger tire options may be necessary for extremely soft soils.
Wheelbase |
86.1inches / 218cm |
Weight |
6526 to 7033 pounds |
Front tire |
8.3-20 |
Rear tire |
14.9-30 |
ELECTRICAL
Ground |
negative |
Battery volts |
12 |