Shaanxi Bernard Machinery Co., Ltd. focuses on two key areas: the supply chain for Shaanxi Heavy-Duty Trucks and environmental protection equipment for construction sites. Leveraging the substantial inventory resources at the Xi’an Sanqiao Auto Parts Warehousing Center, the company serves as an authorized core service provider for Hand Axles, specializing in the supply of HD425/440/469/485, MAN steering axles, and the full range of heavy-duty mining axles, compatible with the entire lineup of Delong F3000, New M3000, X3000, and X5000 tractor trucks, dump trucks, mining trucks, and cargo trucks.
The company combines the dual strengths of environmental protection engineering support and heavy-duty truck chassis parts supply to provide logistics fleets, repair service stations, construction companies, and foreign trade export clients with integrated services including wholesale and retail sales of all-category parts, complete overhaul kits, and technical selection guidance. We guarantee OEM quality, immediate shipment from stock, and comprehensive after-sales support, meeting both the operational and maintenance needs of environmental protection projects and the long-term operational requirements of heavy-duty trucks.
II. Hand Axle’s Comprehensive Parts Product System
(1) Braking System · High-Frequency Wear Parts
Core safety components for heavy-duty transport braking, featuring original equipment manufacturer (OEM)-grade wear-resistant materials suitable for standard loads, overloaded conditions, and harsh mining environments:
Load-bearing Brake Parts: Front/middle/rear axle brake drums, brake backing plates, brake shoe assemblies
Friction Wear Parts: Brake linings (brake cloth), brake shoe pins, camshaft bushings, shoe rollers, return springs
Brake Actuation Components: Single/double-spring brake chambers, automatic/manual brake adjustment arms, brake camshafts
Supporting Accessories: Brake wear warning wires, brake dust covers, air chamber repair kits
(II) Wheel-End & Wheel-Side Drivetrain System—Core Components for Heavy-Duty Wear
Complete set of wheel-end reduction components that significantly reduce wheel-end failure rates and extend hub service life:
Wheel-End Reduction Assemblies: Wheel-end reduction gear assemblies, sun gears, planetary gears, internal gear rings, wheel-end end caps
Hub Bearing Units: Inner and outer hub bearings, maintenance-free hub bearing assemblies, bearing spacers
Seal Kits (Best-Sellers in Stores): Hub oil seals, wheel-end oil seals, half-shaft oil seals, flange oil seals
Drivetrain Accessories: Half-shafts, hub cores, high-strength tire bolts, wheel-end oil plugs, axle housing breather plugs
(3) Final Drive & Differential Transmission System · Core Overhaul Kits
Core components of the axle powertrain, precision-machined to OEM specifications, ensuring smooth operation and high load-bearing capacity:
Final Drive Assembly: Bevel gears (drive and driven bevel gears), final drive assembly, through shaft, through shaft oil seal
Complete Differential Kit: Differential housing, cross shaft, half-shaft planetary gears, differential lock cylinder, shift fork, piston
Sealing and Adjustment Components: Bevel gear oil seals, final drive adjustment shims, corrugated elastic sleeves, flanges
Complete Overhaul Kits: Final drive gasket set, complete differential oil seal repair kit, sealing gasket set
(IV) Suspension Thrust Rod and Chassis Components
Stabilizes the vehicle body and absorbs bumps, suitable for long-haul routes, rough construction site roads, and heavy-load mining applications:
Thrust Rod Assemblies: V-type thrust rods, upper and lower straight thrust rod assemblies
Shock Absorption Components: Thrust rod rubber cores, torsion rubber bushings, balance shaft bushings, balance shaft spacers
Connecting Fasteners: High-strength thrust rod bolts, steel plate seats, wear-resistant cushion blocks, balance shaft assemblies
(5) Axle Housing and Standard Fasteners
Basic structural components for the entire axle, made from original factory high-strength steel, resistant to deformation and fracture:
Half-shaft sleeves, axle housing assemblies, connecting flanges, 12-point locking nuts, complete sets of specialized bolts, retaining rings, oil seal seats, dust plugs
(VI) Specialized Maintenance Lubricants and Repair Kits
Matching OEM maintenance consumables, providing a one-stop solution for all repair and maintenance materials:
Specialized lubricants: Hand Heavy-Duty Gear Oil, wheel-end high-temperature grease, assembly sealant
Standardized repair kits (Recommended for bulk purchases)
Wheel-end Overhaul Kit: Complete set of oil seals + bearings + shims + retaining rings
Final Drive Differential Overhaul Kit: Bevel gears + complete set of bearings + oil seals + adjustment shims
Brake Repair Kit: Brake pads + adjustment arms + brake shoe pin bushings + air chamber repair parts
Thrust Rod Rubber Core Repair Kit: Complete replacement set for V-type and straight-type thrust rod rubber cores
III. Compatibility Guide for Mainstream Handaxle Models
HD425 Lightweight Axle: Designed exclusively for standard-load long-haul tractors; features narrow-hub oil seals, small wheel-end bearings, and lightweight bevel gear components
HD469 Standard Axle: The most widely used model on the market; suitable for standard-load and mixed-transport applications; highly compatible parts with ample stock availability
HD485 Heavy-Duty Axle: Designed exclusively for 100-metric-ton dump trucks and mining vehicles; features thickened brake drums, heavy-duty reinforced bearings, and reinforced drive gears
MAN Front Steering Axle (5.5T/9.5T): Two separate brake component systems (disc and drum), complete set of steering system parts
Mining-Grade 25T/40T Heavy-Duty Axles: Designed exclusively for wide-body dump trucks, featuring thickened wheel-end assemblies and large-size heavy-duty brakes