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TECH INFO: Obsolete Cummins Parts

This page contains information on obsolete, hard to find, parts for Cummins diesel engines.
We welcome any additional information you may have! Please use the feedback form to contact us.

keywords: Cummins, H, HB, HBI, 600, HBI-600, HBI600, NH, NH220, HR, HS, HRS, 672

Parts available through Rail Swap:

If you are interested in these parts, please use the feedback form to contact us for additional information.


Cummins number(s)

qty

description

condition

application

NH10405-1,
BM-28885 or
BM-28883 ass'y

1

PT fuel pump and sea water pump drive, 2 sheave pulley, open coupling, bearing in front of gear

fair, needs bearings

H,HR,HRS

drive ?,
gear 66363,
housing 1272

1

PT fuel pump drive, no compressor, tapered body, open coupling, no front bearing, gear will not fit H engine, used with pulley below

good, new bearings and seals

HS,HRS

41890-1

1

pulley, water pump drive, 3 sheave, splined shaft, 1.125" OD, right hand, for engine with fan mounted over water pump, used with above drive

good, new sleeve

HS

42425-4

1

pulley, fan drive, 2 sheave, 1.375" keyed shaft

minor chip from rim

NH

128045

1

pulley, 3 sheave, 1 wide, 2 narrow, fan drive, accessory, keyed, 1.375" shaft

good, used

?

BM-499

6

assembly, fuel inlet connection, single disk pump only

good, used

H,HR,HRS,HS

BM-495

6

assembly, injector fuel drain

good, used

H,HR,HRS,HS

BM-491

6

assembly, injector, single disk or double disk pump

used, removed from service

H,HR,HRS,HS

60821

6

guard, injector oil

good, used

H,HR,HRS,HS

various

1

fuel supply manifold, for engine w/o compressor, single disk pump

complete, used

H, ?

various

1

fuel return manifold, for engine w/o compressor, single disk pump

complete, used

H, ?

Aftermarket sources for various Cummins H parts:

The following parts may or may not be available from Cummins, but are available from various aftermarket sources at quite reasonable prices. These sources usually do not have Cummins minimum order quantities or 13% shipping fees, either.

Please note! Cross reference information here is taken from various sources and has NOT all been verified. Please use caution when acquiring parts based on this information; we cannot be responsible for any incorrect information.

Contact info:

Wear Parts:

I recently obtained a new Clevite catalog marked '2002 catalog 3-200-02', which contains the following wear parts. Please note! The items below are a "Power Booster Kit", which increases bore from 4 7/8" to 5 1/8". They say "for blocks bored like NH or NR series". It is doubtful whether you could safely mix the two bores. The following are other items in this new Clevite catalog which should work with a stock 4 7/8" bore Cummins.

Gaskets:

Thermostats:

It appears the H series had several different thermostat arrangements. I believe there were two variations of single-thermostat systems; the thermostat diameters and the thermostat housings are different. Then there was a dual-thermostat system; one controlled the bypass and one the radiator flow. [Why?]

Most seem to use "Venatherm" type thermostats, which are sort of a sleeve-valve design. Water normally flows straight through the sleeve into the bypass passage. As the temperature rises, the sleeve moves and uncovers the passage to the radiator. Some have a lip seal which seals the outside of the sleeve, others just have a close-fitting brass bushing.

Misc:

Fuel parts:

Filters:

Cross references for various Cummins H parts:

These parts do NOT appear to be readily available from aftermarket sources.

Please note! Cross reference information here is taken from various sources and has NOT all been verified. Please use caution when acquiring parts based on this information; we cannot be responsible for any incorrect information.

Wear Parts:

Cummins model J engine lead:

keywords: Cummins J, JF-6-B, JF-6-BI, JF-6-I, JF-6-IP, JF-6-P, 401, 105 hp

As of late 2005, the following company has a used Cummins model JF-6-BI engine in a loader. The serial number appears to be 208640. They claim it ran not that long ago. It does have a PT pump.

Pictures: model J model J

Cummins double disk injection pump lead:

keywords: Cummins double disk fuel injection pump

As of Aug 2008, the following company has THREE used Cummins double disk fuel pumps. They are looking for anyone interested in buying them, or they might be willing to donate to a valid cause. They are a sawmill which has been in operation over 50 years, so these gems were probably state of the art when they were acquired!

Please tell them you heard about the pumps on Rail Swap.

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