Mountfield ST170 Complete Engine 166cc (WBE170)

Mountfield ST170 166cc Petrol Engine (WBE170) fitted to many Mountfield and Stiga Mowers but suitable for more that feature 7/8″ (22.2mm) Crank.

SKU: 118551442/0

Original price was: £289.00.Current price is: £249.00. inc. VAT

Only 1 Left In Stock - Order Now

Low Stock - Hurry While Stock Lasts

This means we have LIMITED physically stock in our warehouse. Orders placed before 2pm (Mon-Fri) are typically dispatched the same day. Usually delivered within 1-2 working days.

UK Mainland Delivery: *FREE Over £200 Inc VAT (Excluding Ride On's)
Additional charges apply for certain postcodes (i.e. Scottish Highlands etc.). Prices calculated at checkout based on weight / size / address.

European & Overseas Delivery:
Our integrated IOSS system applies the correct Tax for your Country (for orders under €150) for faster customs clearance. All orders over this value may incur additional charges at customs.

Click & Collect:
Our warehouse staff they will notify you when your order is ready to collect from our depot (NE10). New Machinery purchases will be built-up, fuelled & oiled (as required) & tuned by our workshop; Ready to Mow!

Local Delivery: *FREE Over £250 Inc VAT (New Machinery Only)
For customers within 25 miles from our depot (NE10), we will delivery your new machine once it's built-up, fuelled & oiled (as required) & tuned by our workshop; Ready to Mow! Average 2-3 day lead time.

Low Stock - Hurry While Stock Lasts


The Mountfield ST170 166cc OHV Engine with a 7/8″ (22.2mm) Vertical Crankshaft & AutoChoke.

A popular choice for refurbishing older machines and extending their life.

Crankshaft Length – 67mm

Fitted as standard to the following mowers:

Mountfield HW531 PD + S461R PD + SP53

Stiga Combi + Multiclip + Twinclip 50s + 547 + 748


This is a genuine Mountfield Part.

Genuine Spare Parts

Unsure if this is the correct replacement engine for your Mower? Just Contact Us with your Model / Serial / Product Numbers we will try and identify the right one for you. Alternatively, give us a call on 0191 4692020.


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