
Product Introduction
The 1729 Middle Bridge Assembly is designed for Mercedes-Benz heavy-duty truck drivetrain and axle systems. It works as the middle axle bridge unit, helping transfer driving torque between the transmission, propeller shaft and rear drive axle under heavy-load operating conditions.
Manufactured with high-strength axle housing, precision gear components and reliable bearing support, this middle bridge assembly provides stable power transmission, strong load-bearing capacity and long service life. It is suitable for axle overhaul, drivetrain repair and replacement of damaged middle axle assemblies in Benz heavy-duty truck systems.

Technical Specifications
| Item | Specification | Item | Specification |
| Product Name | Middle Bridge Assembly | Model | 1729 |
| Part Number | 1729 | Product Type | Middle Axle / Middle Bridge |
| Material | High Strength Metal / Alloy Steel Gear | Installation Position | Middle Drive Axle System |
| Function | Torque Transfer & Axle Support | Application | Heavy Duty Truck Drivetrain System |
| Vehicle Fitment | Mercedes-Benz Actros, Axor, Arocs / Benz Heavy Duty Truck Axle | Export Markets | Africa, Middle East, Central Asia, Southeast Asia, South America, Eastern Europe |
| Packaging | Neutral Package / Wooden Case / Pallet Packing | Payment & Shipping | T/T, L/C, PayPal, Alibaba Trade Assurance / Sea, Air, Land Transport |
| OEM Service | Available | Sample Order | Available |
| Quality Standard | OEM Replacement | Warranty | 12 Months |
Related Products Categories
| Section/System | Common Spare Parts |
| Cylinder Block & Cylinder Head | Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket |
| Crankshaft System | Crankshaft, Connecting Rod, Main Bearing, Connecting Rod Bearing, Thrust Washer |
| Valve Train | Intake Valve, Exhaust Valve, Camshaft, Rocker Arm, Valve Spring |
| Turbocharger System | Turbocharger, Turbo Repair Kit, Intercooler, Intake Pipe |
| Fuel System | Fuel Injector, Injector Nozzle, Fuel Pump, Fuel Filter |
| Cooling System | Water Pump, Thermostat, Radiator, Expansion Tank |
| Lubrication System | Oil Pump, Oil Filter, Oil Cooler, Oil Pan |
| Intake & Exhaust System | Air Filter, Air Cleaner Assembly, Exhaust Pipe, Muffler, DPF, SCR |
| Engine Electrical Parts | Starter Motor, Alternator, Sensors, Wiring Harness |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
| Clutch System | Clutch Disc, Pressure Plate, Release Bearing, Clutch Master Cylinder, Clutch Booster |
| Transmission System | Gearbox Assembly, Synchronizer, Gear Set, Bearing, Oil Seal, Shift Fork |
| PTO System | PTO Assembly, PTO Gear, PTO Pump, PTO Seal |
| Driveshaft System | Driveshaft Assembly, Universal Joint, Center Bearing, Slip Yoke |
| Differential System | Differential Assembly, Crown Wheel & Pinion, Differential Bearing, Repair Kit |
| Section/System | Common Spare Parts |
| Front Axle | Kingpin Kit, Steering Knuckle, Ball Joint, Tie Rod, Wheel Bearing |
| Rear Drive Axle | Axle Housing, Half Shaft, Differential Housing, Hub Bearing |
| Suspension System | Leaf Spring, Air Spring, Shock Absorber, Equalizer Beam, U-Bolt |
| Steering System | Steering Gearbox, Power Steering Pump, Drag Link, Steering Shaft |
| Brake System | Brake Drum, Brake Disc, Brake Pad, Brake Chamber, Slack Adjuster |
| Wheel Hub System | Wheel Hub, Wheel Bearing, Oil Seal, Wheel Bolt, Wheel Nut |
Cabin & Body Parts
| Section/System | Common Spare Parts |
| Cabin Assembly | Cabin Shell, Cabin Suspension, Cabin Lock, Cabin Mount |
| Dashboard System | Instrument Cluster, Dashboard Panel, Switch Assembly |
| Door System | Door Assembly, Door Lock, Door Handle, Window Regulator |
| Seat System | Driver Seat, Passenger Seat, Seat Shock Absorber |
| Air Conditioning System | AC Compressor, Condenser, Evaporator, Blower Motor |
| Electrical System | Headlamp, Tail Lamp, Fog Lamp, Wiring Harness, Relay |
| Mirror System | Rear View Mirror, Mirror Arm, Mirror Cover |
| Body Exterior Parts | Bumper, Grille, Fender, Mudguard, Step Panel |
