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Lehman Diesel

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Lehman Diesel

Welcome, Please note I no longer own any Lehman diesels as I sold my boat and I have no contacts or parts.

I keep this page up for info only as there seems to be a shortage of info out there.

I do however have a guy in BC Canada that is in need of a 120hp engine, email if you have one you want to sell and I will connect you with him. (October 25,2014)          lehman@divemaster.ca

 

Manuals, Parts info and more.

Our dive boat an Alwest 37, has two 4 cylinder Ford Lehman motors, rated at 80hp each, this page serves as my personal reference as information seems to be difficult to find or lost, with regards to these engines.

I think information and knowledge should be shared at no cost and without profit that said donations to maintain this webpage is much appreciated and can be made via PAYPAL to my email address noted below.

This page is to make public and keep public anything I find or other's contribute about these fantastic engines. This is a work in progress and is added to as questions arise from others or as I do my own maintenance. Photo's and contributions $$$ and otherwise appreciated.

TABLE OF CONTENTS:

                    1- FUEL PUMP

                    2- INJECTORS

                   3-COOLING SYSTEM 

                    4- SERVICE

                    5- PARTS

                    6- MANUALS 

                    7- CHARGING SYSTEM 

                    8- DISASSEMBLY PICTURES

                    9- LINKS 

You will need a PDF reader to view documents such as :

Open Office or Adobe, please click on the underlined text to download.

If you have something to share regarding these motors please contact me at this address :** PLEASE DESCRIBE THIS IMAGE **

SERVICE:

We have recently had rebuilt a 254 by Peter at PM Marine Diesel Ltd, and can highly recommend his professional services.

His shop is located in Steveston, British Columbia, Canada and he can be reached at 1-604-272-2672

MANUALS:

Owners Manual here : Ford Lehman Operators Manual

Parts Manual Here    : Ford Lehman Marinized Parts Appendix B

CHARGING AND ELECTRICAL SYSTEM:

Alternator Specs       : 90-series dimensional drawing

PARTS :

 

Model

Ford 254cu

Ford 380cu Ford 363cu Turbo
Also Known as: Ford 2712-E, 4D254 2715-E, 6D380 2704-ET, 6D363T
Number of Cylinders 4 6 6
Horse Power 80hp 120hp 150hp
Oil filter CH836PL
Air filter K&N 25-0330
Air filter oil vent kit K&N 85-1350
Fuel filter F50149
Fuel lift pump
Starter
Alternator balmar 90-150
Alternator belt
Zinc
Thermostat
Raw water Impeller

Parts list from FS Marine

FUEL PUMP: (lift pump)

Located on the left hand side of the engine behind the oil filter looking at the front of the engine.

Prime lever on the side for bleeding the lines.

Two nuts hold it on to the block, the pump (as depicted in the first picture on the left) lever runs on a cam in the engine block, when you remove the pump you may have to rotate the engine in order to ease removal. Some variations exists as depicted on the second row of pictures.

Lehman fuel pump lehman fuel pump lehman lift pump

Sources :     http://www.bikudo.com/product_search/details/194091/leyland_fuel_pump.html

                    http://www.tractorpartsinc.com/fuel_pump_d8nn9350aa_2835_prd1.htm

COOLING SYSTEM:

Sorry this section still to come.

INJECTORS:

Sorry this section still to come.

DISASSEMBLY PICTURES:

Disassembled Lehmans and other complete motors

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Engine views and configurations:
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LINKS:

Other links to useful Lehman parts or information:

Ford Lehman 120 Rear Main Seal Replacement

https://www.lehmanparts.com/4D254_80HP.html

http://www.tadiesels.com/used-ieng-1030.html

http://www.foleyengines.com/FreeTechnicalInfo/DrDieselTechTips/DoverDorset.aspx

http://www.bomacmarine.com/ford-lehman-engines.html

http://www.go2marine.com/category.do?no=17154