Gardner engines are renowned for their legendary fuel economy, reliability and durability. So successful was the range of hand-built engines produced by Gardner in the twentieth century, they remain ever-popular as a reconditioned version today. Due largely to the high quality of original engine castings, used engines can be transformed today into as new condition with careful and experienced reconditioning. .

Mainline specializes in reconditioning Gardner engines. Models available from Mainline as reconditioned engines are:

• 6LX © 6LXB (6 cylinder, naturally aspirated: from 110 bhp to 150 bhp)
• 8LXB (8 cylinder, naturally aspirated: from 170 bhp to 200 bhp)
• 3LW (3 cylinder, naturally aspirated: from 42 bhp to 47 bhp)
• 4LW (4 cylinder, naturally aspirated: from 56 bhp to 62 bhp)
• 5LW (5 cylinder, naturally aspirated: from 70 bhp to 78 bhp)
• 6LW (6 cylinder, naturally aspirated: from 84 bhp to 94 bhp) (6 cylinder & 8 cylinder turbocharged engines are subject to core availability)

Mainline has it's own unique 'Step-by-Step' reconditioning programme to ensure every engine that goes through this procedure is finished to a high quality standard.

Click on an image for a larger view of the full image

Crankshaft The engine is completely stripped down, crankshaft checked for twist & bend and machined & polished to standard or next undersize as required.

Cylinder Head Cylinder Heads are stripped, cleaned & reassembled with new or reground valves & new valve guides. Joint faces are machined.

Cylinder Blocks Cylinder Blocks are re-sleeved with new cylinder liners, bored & plateau honed to Gardner specs.

Engine Reassembly The engine is reassembled and fitted with new genuine Gardner piston assemblies. Bearings, seals & many other items are automatically replaced with new or reconditioned genuine Gardner parts

Fuel Pump Assembly Fuel Pump System & sub assemblies are completely overhauled. Reconditioned genuine Gardner injectors are electronically calibrated with the pump tops to deliver exacting power output.

Water Cooled Manifold Optional Water Cooled Manifold - Square section, galvanised stainless steel manifold. Ideal for engine rooms where ventilation is inadequate.

Polished engine Optional engine chroming or polishing - eg. Cylinder head covers, injector pipes, cylinder head doors. For the true 'show engine' enthusiast!

See our past work for a sample of Gardner engines that have been 'supplied with pride' within Australia, the Pacific Islands and the USA. If you'd like more information, please email us.