Trueline Engineering

Harrogate, Yorkshire and the Humbertruelineengineering.co.uk ↗

Crown Chambers, Princes Street, Harrogate, HG1 1NJ

About

TrueLine Engineering Ltd, a UK-based contract manufacturer, specialises in the precision machining of replacement crankshafts and engine/gearbox parts for classic British racing and road motorcycles. Leveraging craftsman welding and bespoke manufacturing, they utilise modern alloy billet for enhanced strength and reliability, actively re-engineering classic British motorcycle engine parts and frames with modern alloys and design improvements. All parts are designed and manufactured in Britain, with a strong focus on quality, performance, and innovation, representing their key differentiator.

More detail ↓

TrueLine Engineering Ltd is a UK-based contract manufacturer specialising in the precision machining of replacement crankshafts and engine/gearbox parts for classic British racing and road motorcycles.

The company's capabilities include precision CNC machining, craftsman welding, and bespoke manufacturing, utilising modern alloy billet for enhanced strength and reliability. They are actively developing classic British motorcycle engine parts and frames, re-engineering them with modern alloys and design improvements.

All parts are designed and manufactured in Britain, with a focus on quality, performance, and innovation.

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CNC capability1

Sub-process: Turning

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CNC capability: Specialist categories · Named machine brands · Tier-one builder presence · CAM software · Aerospace-grade CAM · CAD software · In-house design · Tolerance (typical) · Tolerance (tight) · Micro-machining · MOQ (minimum batch) · Lead time (weeks)

Materials & sectors: Materials · Industries served

Certifications & approvals: ISO 9001 · ISO 14001 · AS9100 · ISO 13485 · IATF 16949 · NADCAP · Primes supplied · ITAR registered

Welding & fabrication: Welding automation · Welding materials · Coded welding (any) · Fabrication offered · Fabrication sub-categories · EN 1090 EXC level

Quality & traceability: NDT methods · Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · In-house toolroom · FAIR capability (AS9102)

Services & production: DFM support · In-house finishing · Repeat orders (Kanban / VMI)