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High-quality, Brand New Truck Parts Dongfeng Heavy Truck Chassis System Balance Shaft Bracket 29Z33-04061

The 29Z33-04061 Balance Shaft Bracket is a precision-engineered structural component designed for use in the engine block assembly of commercial diesel engines, particularly those installed in medium- and heavy-duty trucks. This bracket serves as the primary mounting and support structure for the balance shaft assembly, which is responsible for reducing engine vibration and improving overall smoothness during operation.

Manufactured to meet original equipment (OE) specifications—commonly used in Dongfeng, Foton, and other Chinese commercial vehicle platforms equipped with inline-four or inline-six diesel engines—the 29Z33-04061 ensures accurate alignment, stable fixation, and long-term durability under high mechanical loads and continuous thermal cycling.

Constructed from high-strength cast iron or forged steel, this bracket is bolted onto the engine block and supports the rotating balance shaft via bearings or bushings. Its rigid design minimizes flexing or misalignment that could lead to premature wear, noise, or failure of the balance system.

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Model:
29Z33-04061
Brand:
Dongfeng

Product Description

Attribute	Specification
Part Number	29Z33-04061
Product Name	Balance Shaft Bracket / Support Mount
Function	Provides structural support and alignment for engine balance shaft
Installation Location	Mounted on engine block (front or mid-section, depending on engine layout)
Vehicle Type	Medium & Heavy-Duty Trucks, Buses, Commercial Vehicles
Engine Compatibility	Inline 4/6-cylinder diesel engines (e.g., Cummins ISDe series, Dongfeng EQ series)
Material	High-Strength Cast Iron (HT250) or Forged Alloy Steel
Surface Treatment	Machined finish; anti-rust coating or oil preservation
Mounting Method	Bolted directly to engine block using precision dowel pins and high-torque bolts
Integrated Features	Bearing bore or housing for balance shaft journal
OEM Standard	Matches Dongfeng, Foton, and associated engine manufacturers
Standards Compliance	GB/T 9439 (Cast Iron), QC/T 27 – 2004 (Automotive Engine Components)

Parameter	Specification
Overall Dimensions (L×W×H)	Approx. 200 × 150 × 120 mm (varies by model)
Weight (Approx.)	4.5 kg – 6.0 kg
Bolt Hole Quantity	4–6 holes (M12 or M14 threaded)
Center Bore Diameter	Φ50 mm – Φ65 mm (for balance shaft bearing fit)
Positioning Dowel Holes	2 × Φ8 mm – Φ10 mm (for precise alignment)
Torque Specification	85–110 N·m (per mounting bolt)
Operating Temperature Range	-30°C to +180°C
Load Resistance	Designed to withstand dynamic cyclic loading up to 15 kN
Tolerance Grade	IT7–IT8 (precision machining standard)
Vibration Damping	Structural rigidity reduces resonance risk
Fatigue Life	≥ 300,000 engine hours under normal conditions
Compatibility Interface	Matches balance shaft gear drive and oil pump drive (if integrated)