MCB172 Hydraulic Pump parts for Excavator spare parts

MCB172 Hydraulic Pump parts for Excavator spare parts Featured Image
  • MCB172 Hydraulic Pump parts for Excavator spare parts
  • MCB172 Hydraulic Pump parts for Excavator spare parts
  • MCB172 Hydraulic Pump parts for Excavator spare parts
  • MCB172 Hydraulic Pump parts for Excavator spare parts
  • MCB172 Hydraulic Pump parts for Excavator spare parts

Short Description:

JSM140 hydraulic pump spare parts are high-precision medium-duty aftermarket repair accessories for JSM series closed-loop variable piston travel motors, serving as the core mainstream model for 18–25 ton medium-sized excavators.

Product Detail

Product Tags

description

In daily large-scale earthwork, municipal infrastructure and light mining construction, the MCB172 motor endures long-term frequent heavy-load start-stop switching, repeated strong road vibration impact and persistent high-temperature oil scouring, which easily causes deep friction pair wear, surface scratches and continuous volumetric efficiency attenuation, resulting in insufficient heavy-load walking power, delayed hydraulic linkage response, obvious left-right speed deviation and severe walking jitter during gradient climbing and full-load operation. MCB172 hydraulic pump spare parts adopt targeted medium-heavy duty reinforcement optimization for harsh engineering working conditions. Core friction pair components adopt high-rigidity thickened alloy steel matrix + high-density wear-resistant copper alloy hot-cladding composite structure, with upgraded impact resistance and fatigue resistance, fully adapting to long-term cyclic heavy-load operation of medium-large tonnage engineering machinery. The cylinder block undergoes integral high-temperature quenching and tempering and multiple deep stress relief treatments to completely eliminate internal residual processing stress and structural fatigue, matched with ultra-precision mirror lapping to form ultra-stable micron-level clearance fit with the valve plate, effectively restraining internal leakage surge caused by long-term high-pressure and high-temperature continuous operation.

product parameters

Product Model: MCB172 Hydraulic Pump Spare Parts
Product Type: Large-Displacement Travel Motor Rotating-Group Wearing Parts & Medium-Heavy Duty Engineering Maintenance Components
Applicable Equipment: 20–28 Ton Domestic & Imported Medium-Large Engineering & Light-Mining Excavators, Heavy-Duty Construction Machinery Travel Drive Systems
Included Components: High-rigidity thickened wear-resistant cylinder block, reinforced heavy-load piston-shoe assemblies, upgraded high-pressure impact-resistant valve plate & thickened anti-fatigue retainer plate, ultra-stiff integrated anti-torsion center shaft, full high-temperature high-pressure aging-resistant seal kit, high-precision flow control valve core and all auxiliary medium-heavy duty wearing parts
Core Material: High-rigidity thickened wear-resistant alloy steel, high-density nano wear-resistant copper alloy hot-cladding layer, high-temperature high-pressure resistant anti-aging composite seal material
Processing Craft: Integral vacuum high-temperature quenching and tempering, multiple deep cyclic stress relief, ultra-precision mirror super-finishing grinding, OEM top micron-level tolerance standard
Core Functions: Replace worn failure components, restore original motor heavy-load volumetric efficiency, stabilize medium-heavy duty walking torque and synchronous speed, eliminate heavy-load jitter, large-range unilateral speed deviation and high-temperature high-pressure oil leakage faults
Matching Parts: Fully compatible with original MCB172 travel motor housing, high-pressure control mechanism and complete assembly accessories

advantages

  • Heavy-Duty Reinforced Craft, Stable Torque Without Attenuation: Core friction pairs adopt thickened alloy reinforcement + deep stress relief heavy-duty technology, effectively resisting long-term frequent heavy-load friction and harsh road strong impact wear, maintaining stable volumetric efficiency and continuous high-torque output without power drop or jitter deviation.
  • High Cost-Performance, Reduce Heavy Construction Downtime Loss: Support flexible single-piece replacement for local partial wear and full kit replacement for overall aging and performance recession. Avoid high-cost integral motor replacement, greatly reducing daily operation and maintenance costs and full-load construction shutdown losses of 20–28 ton medium-large excavators.
  • Full-Coverage Heavy-Duty Accessory System, One-Stop Professional Overhaul: Completely covers core large-displacement heavy-load rotating group wearing parts and high-temperature high-pressure vulnerable sealing components, fully adapting to daily maintenance, severe fault repair and complete machine overhaul of MCB172 medium-heavy duty travel motors, realizing one-stop high-standard supporting maintenance.
  • High Temperature & Pressure Resistance, Strong Harsh Condition Adaptability: Exclusive heavy-duty grade material formula adapts to long-term high-temperature and high-pressure cyclic operation of medium-large tonnage construction machinery, resisting extreme oil scouring and peak pressure impact, effectively delaying component aging and greatly extending motor service life.

FAQ

  • Q1: What heavy-duty faults can MCB172 pump spare parts solve?
  • A: It thoroughly fixes core medium-heavy duty faults of MCB172 travel motor caused by long-term heavy-load operation, including increased severe internal leakage, insufficient heavy-load climbing torque, weak gradient climbing performance, sluggish hydraulic linkage, large-range unilateral speed deviation, obvious walking jitter, abnormal metallic noise and high-temperature high-pressure oil leakage.
  • Q2: What equipment does MCB172 apply to?
  • A: Mainly suitable for 20–28 ton various brands of medium-large engineering and light-mining excavators, perfectly matching original MCB172 medium-heavy duty travel motor assembly and system supporting parameters.
  • Q3: How to choose single parts or full overhaul kit?
  • A: For motors with short service life and only local slight wear, select single-piece targeted replacement; for motors with long-term heavy-load construction, obvious torque attenuation and overall component aging, full rotating group kit replacement is recommended to restore original medium-heavy duty high-torque performance.
  • Q4: What are the key overhaul specifications for MCB172 motor?
  • A: Thoroughly clean internal heavy-load wear powder and micro impurities, replace all aging high-temperature high-pressure resistant seals, strictly control friction pair assembly clearance and ultra-flatness fitting, and conduct full-load walking test and precise debugging after assembly to ensure synchronous left and right speed and stable heavy-load torque output.
  • Q5: How to extend MCB172 travel motor service life?
  • A: Keep hydraulic oil high-cleanliness and replace filter elements regularly; avoid long-term extreme overload and over-pressure operation; strictly control system oil temperature to prevent oil deterioration and seal aging failure under long-term high-temperature working conditions.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

our warehouse

our warehouse

Pack and ship

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