- Engine Repair
- Powertrain Repair
- Concrete Truck Repair
- HVAC Repair
- Brakes & Suspensions
- Electrical Diagnostics
- Welding, Fabrication & Customization
- EGR, DPF & Exhaust System Repair
- Fleet Repair & Preventative Maintenance
- Steering System
- Truck & Trailer Shuttle Service
- CVI Inspections
- Trailer Repair
- Mobile Services
- Tow Truck Repair
- Recreational Vehicle Repair
- Pre-Purchase Inspections
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6nz repair
Mobile, In-Shop & Fleet Repairs in One Trusted Place
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Complete Powertrain Repair Services for Heavy-Duty Trucks in Langley, BC & Surrounding Areas
At 6NZ Truck & Equipment Repair Ltd, we specialize in comprehensive powertrain diagnostics, repairs, and replacements for heavy-duty trucks and industrial vehicles. Our experienced technicians are trained to service manual and automatic transmissions, differentials, and drivelines—keeping your fleet reliable and road-ready.
We service all major truck makes including:
Freightliner, International, Kenworth, Mack, Peterbilt, Volvo, and Western Star
We work with all leading engine and component brands: Caterpillar (Cat), Cummins, Detroit Diesel, Volvo, PACCAR, Mack, Mercedes, Alliance, Allison, Meritor, Rockwell, Eaton, Fuller, Dana, Spicer, Detroit DT12, Volvo I-Shift, and Mack mDRIVE
We work with all leading engine and component brands: Caterpillar (Cat), Cummins, Detroit Diesel, Volvo, PACCAR, Mack, Mercedes, Alliance, Allison, Meritor, Rockwell, Eaton, Fuller, Dana, Spicer, Detroit DT12, Volvo I-Shift, and Mack mDRIVE
Our Powertrain Services Include:
Transmission Services
We provide transmission diagnostics, repairs, replacements, and fluid services for both manual and automatic systems. Whether it’s Eaton Fuller, Allison, Volvo I-Shift, or Mack mDRIVE, our team ensures your shifting performance remains smooth and reliable.
From gear slipping to overheating, we get to the core of transmission issues—fast.
Differential Services
Our technicians repair and replace differentials for all heavy-duty truck models. We inspect gear wear, axle engagement, and perform full rebuilds or replacements when needed. We work with top brands like Dana, Spicer, and Meritor.
Maximize torque, improve handling, and reduce drivetrain strain with professional differential care.
Driveline Services
We diagnose and repair issues in driveshafts, U-joints, and CV joints, ensuring proper power delivery from your transmission to the wheels. Unusual vibrations, clunking noises, or misalignment? We’ll fix it right the first time.
Protect your drivetrain and prevent costly failures with expert driveline service.
We proudly offer Complete Powertrain Repair Services in:
Langley, Abbotsford, Surrey, Chilliwack, Maple Ridge, Coquitlam, Annacis Island, Richmond, White Rock, Vancouver, and surrounding areas.