800157390 XCMG GR2605 motor grader air pre-filter

800157390 XCMG GR2605 motor grader air pre-filter

The XCMG GR2605 grader’s 800157390 air pre-filter is a core component of the engine’s intake system, serving as the pre-filter. Manufactured strictly according to XCMG’s original design standards, filtration precision, and installation specifications, it is specifically designed for the Cummins QSB6.7 engine’s intake system. It is suitable for harsh working conditions with high dust, strong sandstorms, and high loads, such as highway construction, airport construction, mining operations, and large-scale earthmoving. As the “first line of defense” before air enters the main filter, it efficiently filters large dust particles (≥5μm) through centrifugal separation, significantly reducing the filtration load on the main air filter, extending its service life, and preventing malfunctions in core components such as the engine intake manifold, cylinders, and pistons due to dust wear. It is a high-quality original factory part for the GR2605 grader’s intake system maintenance and filtration performance restoration.

This air pre-filter is integrally injection molded from high-strength engineering plastic (PA66 + glass fiber reinforcement). The shell structure has undergone impact-resistant design and pressure testing (withstanding negative pressure ≥0.08MPa), resulting in high rigidity and light weight. It can withstand the severe vibrations and impacts of sand and gravel during long-term equipment operation without easily deforming or cracking. Internally, it features a high-efficiency centrifugal separator impeller. Upon air intake, the impeller’s high-speed rotation generates strong centrifugal force, dislodging over 90% of large dust and sand particles from the airflow channel and automatically discharging them through the bottom drain port, achieving “self-cleaning without disassembly.” The air intake channel is optimized for fluid dynamics, resulting in low airflow resistance (≤2kPa), ensuring stable operation of the engine’s intake efficiency and power output, without affecting engine intake efficiency.

The pre-filter features a factory-installed sealing cap and snap-on fastening structure at the top, ensuring excellent sealing performance and effectively preventing unfiltered air from seeping in through gaps. The bottom drain port uses a flexible dust valve design, normally closed, automatically opening only under centrifugal force or equipment vibration to drain, ensuring smooth drainage and preventing external dust from entering. The shell surface is treated with UV-resistant and anti-aging modifiers, allowing it to operate in a wide temperature range from -30℃ to 85℃, and is less prone to brittleness and aging under long-term outdoor exposure to sun and rain. The inner wall is smoothed to reduce dust adhesion and lower the risk of clogging.

The product’s installation interface and mounting bracket are precisely matched to the XCMG GR2605 original vehicle air filter assembly, with hole tolerances controlled within ±0.03mm. It seamlessly connects to the intake pipe and main filter element. Original mounting bolts and sealing washers are included, requiring no additional modification or drilling during installation; assembly is completed simply by aligning and tightening. Easy disassembly and maintenance; simply open the top clip to clean residual dust inside the housing, eliminating the need for complete disassembly and significantly improving maintenance efficiency.

Core Technical Parameters

Part Model: 800157390
Part Name: Air pre-filter (for pre-coarse filtering)
Applicable Models: XCMG GR2605 motor grader
Compatible Engine: Cummins QSB6.7 turbocharged intercooled engine
Material: PA66 + glass fiber reinforced engineering plastic, elastic dust valve, sealing gasket
Process: One-piece injection molding, precision machining of centrifugal impeller, fluid dynamics optimized design
Filtration Accuracy: ≥5μm particulate matter filtration efficiency ≥90%
Tolerance Range: Temperature -30℃ to 85℃, withstands negative pressure ≥0.08MPa
Inlet resistance: ≤2kPa
Features: High-efficiency centrifugal separation, self-cleaning without disassembly, vibration and impact resistant, tight sealing, easy maintenance
Functions: Pre-filter for dust, protects main filter element, automatic sewage discharge, reduces inlet resistance

Core Advantages

Original factory standard precise fit, zero installation threshold; centrifugal filtration + self-cleaning design, high dust filtration efficiency; high-strength engineering plastics, adaptable to harsh working conditions; low inlet resistance, minimal power loss; extends main filter element life, reduces maintenance costs; convenient maintenance, improves equipment uptime.

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1 800157390 Air pre-filter KA60-5
2 380904114 Connecting pipe
3 380900987 Pipe clamp
4 805046523 Bolt M8×80 GB/T5783-2000
5 329900301 Thickened flat washer WT041.00820
6 805238378 Nut M8 GB/T6170-2000
7 381100642 Air filter bracket
8 329900302 Thickened flat washer WT041.01030
9 805046525 Bolt M10×20 GB/T5783-2000
10 L0001790150 Rubber sleeve
11 381100643 Air filter fixing clamp
12 805046541 Bolt M10×80 GB/T5783-2000
13 805238371 Nut M10 GB/T6170-2000
14 800101436 Air filter AH19227-ZY
15 801907065 T-type clamp φ165(+2.4) 11ZH6-9831
16 380901023 Bend
17 801907062 T-type clamp φ114.3(+2.4) 11ZH6-9811

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