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Yanmar TF85WL

Series: TF-W Series

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The Yanmar TF85WL is a model in the TF-W Series series. The engine delivers 8.5 hp (6.3 kW), has 1 cylinder. The engine is water-cooled. The fuel is diesel. The TF-W Series series covers 3 models. Rated output within it ranges from 8.5 to 11.5 hp; the TF85WL sits at the bottom of that range with 8.5 hp. Its immediate neighbours are the TF105WL above it with 10.5 hp. 1231 Yanmar models across 70 series are on record.

Yanmar TF-W Series – horizontal single-cylinder diesel engines of the register: TF85WL, TF105WL and TF115WL from Yanmar's industrial engine production

The Yanmar TF-W Series brings together on this collective page three horizontal single-cylinder diesel engines: TF85WL, TF105WL and TF115WL. The TF range is among Yanmar's longest-lived designs and has been built largely unchanged for decades for stationary drives; the horizontal cylinder layout allows a low centre of gravity and simple mounting to pumps, generators or agricultural equipment.

Read on 3 more paragraphs

The register lists here 3 versions: TF85WL, TF105WL and TF115WL. Output ranges from 6.3 to 8.5 kW (8.5 to 11.5 hp) at displacements of 493 to 638 cm³ and a rated speed of 2,400 rpm; all three are water-cooled naturally aspirated single-cylinder engines, dry weight lies between 93 and 107 kg.

Horizontal single-cylinder diesels such as the TF-W range are especially widespread across Asia and Africa as rugged, easily maintained drives for irrigation pumps, threshers and small boats, where long service life and local repairability matter more than high revs or smooth running.

When buying used, what counts on these horizontal single-cylinders is compression, the condition of the injector and injection pump, and the condition of the cooling fins; on engines long operated outdoors or in damp surroundings, it is also worth checking the crankcase for corrosion. Spare parts run through Yanmar's industrial engine distribution.

Sources: SpecCodex register, model data: Yanmar TF-W Series, Yanmar (manufacturer)

Technical data

Engine

Fuel	dieselcorrect
Power	8.5 hp (6.3 kW)correct
Cylinders	1correct
Cooling	water-cooledcorrect

Dimensions and weights

Dry weight	93 kgcorrect

Other data

Aspiration	naturally aspiratedcorrect
Bore × stroke	85x87correct
Dimensions	704x377x505correct
Displacement	493 lcorrect
Speed	2,400 rpmcorrect

Frequently asked questions

How much power does the Yanmar TF85WL have?

The Yanmar TF85WL delivers 8.5 hp.

What engine does the Yanmar TF85WL have?

1 cylinders, Diesel.

What to check before buying

Match the data plate against the order: frame size, mounting and rating have to agree.
For used units, ask about winding condition and bearing play.
Ask about parts availability for this series — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 11 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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