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- A combine harvester efficiently rakes the ear-tip side part of divider-side grain stems using a raking auger while safeguarding the divider.
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- A combine harvester efficiently rakes the ear-tip side part of divider-side grain stems using a raking auger while safeguarding the divider.
- Components include a divider, raking reel, cutting-blade device, raking auger, platform, and conveyor.
- The raking auger comprises a cylindrical drum with helical blades capable of lateral movement to orient grain stems to the conveyor.
- Additionally, it features rod-shaped raking fingers that can radially extend and retract from the drum's outer surface to guide grain stems to the conveyor.
- At least one finger is positioned within two pitches of receiving blades from the outermost effective receiving blade of the cutting-blade device end section to the inner side in plan view, enhancing efficiency and precision in grain collection.
Fast walking system
1, reliable performance of diesel engine
Kubota homemade high power, low fuel consumption 49 2kW turbocharged diesel T motor.Powered by a vertical water-cooled 4-cylinder turbocharged diesel engine system, it provides more output power and starting torque with less fuel than a conventional spherical diesel engine.
2. Wide track
Wide-width tracks can work more smoothly than ever in wet fields.275mm ground clearance, not easy to accumulate mud, bad field adaptation is stronger.
Efficient threshing system - outstanding handling capacity, low loss
Large diameter long threshing barrel
Longitudinal oil flow threshing system adopts 620mm large diameter, drum length up to 1790mm long threshing drum, can carry out more efficient and accurate harvesting and threshing operations.
Simple and convenient operating system
| Model | Kubota 688Q Harvesting |
| Engine | 68HP/2700rpm |
| Fuel tank capacity | 60L |
| Cutting lenght | 2000mm |
| Grain Tank | 1000L |
| Harvesting Capacity | 0.5-1.02 acre/hour |






| Model | Kubota 688Q Harvesting |
|---|---|
| Engine | 68HP/2700rpm |
| Fuel tank capacity | 60L |
| Cutting lenght | 2000mm |
| Grain Tank | 1000L |
| Harvesting Capacity | 0.5-1.02 acre/hour |
The combine efficiently harvests and processes grain stems by cutting, raking and conveying crop to the threshing system. It uses a divider, raking reel, cutting-blade device, raking auger and conveyor to collect and feed material into the threshing drum.
The description indicates a high‑power, low‑fuel‑consumption turbocharged Kubota 4‑cylinder diesel engine. Listed specifications include about 68 HP at 2700 rpm (approximately 49 kW). For exact engine model and emissions details, check the vehicle placard or dealer documentation.
Key specs in the provided description: cutting length 2000 mm, grain tank capacity 1000 L, fuel tank 60 L, and an estimated harvesting capacity of about 0.5–1.02 acre per hour (actual rate varies with crop, conditions and operator).
The raking auger is a cylindrical drum with helical blades capable of lateral movement to orient stems toward the conveyor. Rod‑shaped raking fingers extend radially from the drum to guide stems. At least one finger is positioned within two pitches of the receiving blades to improve precision and reduce losses near the cutter end.
The machine uses a longitudinal oil‑flow threshing system with a large‑diameter (620 mm) threshing drum and a long drum length (up to 1790 mm). This design aims to provide efficient threshing, high handling capacity and low grain loss.
Yes. The harvester is equipped with wide‑width tracks and 275 mm ground clearance to reduce mud accumulation and improve traction and stability in wet fields. Field performance will still depend on soil conditions and crop type.
‘Fast walking system’ refers to the machine’s drive and traction design that allows efficient forward movement through the field while maintaining effective crop feeding, improving overall harvesting throughput. Actual travel speed depends on ground conditions and load.
The description states the fingers can radially extend and retract from the drum’s outer surface. Actual actuation (hydraulic, mechanical or spring‑loaded) depends on the model and configuration—refer to the operator manual or dealer for the exact mechanism and adjustment procedure.
Regular maintenance includes checking engine oil and coolant, fuel filters, inspecting and cleaning the raking auger, fingers, cutterbar and conveyor, greasing bearings, monitoring belt and chain tension, cleaning the threshing drum and concave, and following the scheduled service intervals in the operator manual.
The design targets cereals and small grains (wheat, barley, oats, rye and similar crops). It can handle other stemmy grains where a conventional divider, cutterbar and auger feed are appropriate. Crop suitability can vary with header configuration.
Stop the machine and follow lockout/tagout procedures before clearing. Common remedies include reducing feed rate, checking and adjusting auger lateral position, inspecting and clearing obstructions, drying excessively wet crop if possible, and adjusting threshing drum speed/concave clearance per the manual.
CLAAS has an established dealer and service network for parts and maintenance. For components that reference Kubota or third‑party suppliers, dealers can advise on availability. Contact your local CLAAS dealer for genuine parts and service support.
Always read and follow the operator manual. Key precautions include shutting off the engine and removing the key before servicing, keeping guards and shields in place, staying clear of moving parts, using proper lockout/tagout when clearing blockages, wearing appropriate PPE and ensuring bystanders are at a safe distance.
The unit includes a platform and is designed to work with compatible headers. Attachment compatibility depends on the specific model year and mounting system. Consult the dealer or the machine’s specification sheet to confirm which headers and attachments are supported.
Detailed specs, weights and transport dimensions are provided in the official product brochure or the operator’s manual. For precise figures and options, contact your local CLAAS dealer or refer to the model’s technical documentation.
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