/ Top Gear Transmissions
Expert Manual Gearbox &
Differential Specialists
Decades of expert gearbox and driveline repairs for cars, utes, 4WDs,
and fleet vehicles—your transmission is in trusted hands.
Year of Personal Experience
/ About Us
Expert Transmission Care for Every Vehicle
From diagnosing complex transmission faults to completing full rebuilds, our workshop is equipped with advanced tools and expert technicians who understand driveline systems inside and out. We take pride in offering transparent advice, fair pricing, and fast turnaround times, ensuring every customer receives dependable service they can trust.
/ Fast & Dependable
Our Service
Manual Gearbox Repairs & Rebuilds
Differential Repairs & Rebuilds
Clutch Repairs & Replacement
Fleet & Commercial Vehicle Servicing
4WD Driveline & Transfer Case Servicing
Transmission Diagnostics & Inspections
/ Quality Workmanship
Why Choose Top Gear Transmissions?
Expert Technicians
Skilled professionals with decades of experience in manual gearbox, clutch, and differential repairs.
Advanced Diagnostics
We use state-of-the-art tools to quickly identify issues and prevent costly repairs.
All Vehicle Types
From sedans and utes to 4WDs and commercial fleets, we service them all.
Fast Turnaround
Efficient service without compromising quality.
Trusted in the Hunter Valley
Serving the local community with honesty and dedication for over 25 years.
Competitive Pricing
Affordable rates without cutting corners on workmanship.
/ Testimonial
What Our Customers Say
/ Precision Work
Our Working Progress
Inspection & Diagnosis
We carefully inspect your gearbox, clutch, or differential to identify issues quickly and accurately.
Planning & Consultation
Our experts provide clear solutions and cost estimates tailored to your vehicle’s needs.
Repair & Rebuild
We repair or rebuild your components with precision for smooth, long-lasting performance.
Testing & Delivery
Your vehicle is tested for reliability and returned ready for safe, trouble-free driving.
/ Gallery
Gearbox & Differential Rebuilds
Get Your Vehicle Back to Peak Performance Today
/ Get in Touch
We’re Here to Help – Reach Out Now
/ Service Areas
Proudly Servicing Customers From Across Kurri Kurri and The Hunter Valley region.
Kurri Kurri
Kurri Kurri
/ Support Client
Frequently Asked Questions
What types of vehicles do you service?
We service all types of vehicles including sedans, SUVs, 4WDs, utes, and commercial vehicles. Our team has experience with a wide range of makes and models.
How long does a manual gearbox rebuild take?
A complete manual gearbox rebuild typically takes 2–4 days, depending on the extent of the damage and availability of parts.
Do you offer a warranty on your repairs?
Yes! All our repairs and rebuilds come with a 12-month warranty for peace of mind and confidence in our workmanship.
Can you fix a slipping clutch?
Absolutely. We diagnose clutch issues and provide full replacement or adjustment services to restore smooth performance.
Do you provide mobile services for gearbox or differential issues?
Yes, we provide mobile services in the Hunter Valley area for certain repairs and diagnostics. Some rebuilds may require in-shop work.