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1992 Ram Diesel Engine Specs
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Above the governed speed, engine power drops VERY quickly.


General Engine Specifications

Recommended Fuel

#1-D Diesel or #2 Fuel Oil (diesel) only.

Under emergency conditions, 1K & 2K Kerosene, Jet-A, Jet A-1, JP-5, and JP-8 may by used if 5% lube oil is added to the fuel. DO NOT run the VP44 Injection pump on these alternate fuels without the lube oil - pump damage is likely without a lube additive!


Maximum Exhaust Temperature and Turbocharger Boost Ratings

Maximim Allowable Exhaust Restriction: 6" Hg
Maximum Intake Restriction  25" H2O

Ram Exhaust Temperature Specification
Pyro Probe Location Max Temp At Rated Power Max Temp At Torque peak
exhaust manifold 1250 Degrees F 1250 Degrees F
exhaust elbow below the turbocharger 950 Degrees F 810 Degrees F

 

Ram Diesel Turbocharger Specifications
Model
Engine
Max Boost

Turbocharger

1989 - 1990
160HP   18 cm turbo housing
1991 - 1992
160HP   21 cm turbo housing
1992.5 - 1993
160HP   18 cm turbo housing

A 16 cm housing improves low speed boost for an enhanced engine,


Frequently Used Part Numbers 1992
Fuel Filter Mopar 4429107
Cummins 3834656
Fleetguard FS1232
Fuel Strainer Mopar 04762962
Cummins 3847102
FleetGuard 38454000-S
Fuel Heater top quad ring gasket FleetGuard 3834185-S
Oil Filter* Mopar Paper 05016547AC
Cummins Paper 3942470
Cummins Microglass 3865405
Cummins Stratapore  
Fleetguard Paper LF3959
Fleetguard Microglass LF3552
Fleetguard Stratapore LF3894
Oil Plug Mopar 06034376
Cummins  
Oil Plug Washer Cummins  
Oil Filler Cap Cummins  
Oil Filler Cap gasket Cummins  
Air Filter Mopar 4428308
Cummins 3097072
Fleetguard AF4555M
Belt, Serpentine Drive - w/o A/C Mopar 4638766
Belt, Serpentine Drive - with A/C Mopar 4638762
Dayco 5080830
Belt Tensioner Cummins  
Throttle Position Sensor Cummins 3621094
Oil Pressure Sensor Cummins  
Manifold Temp Sensor Cummins  
Engine Temp Sensor Cummins  
Tachometer Mopar 82400711
Thermostat Mopar 44420970
Cummins 3802273
Lower Radiator Hose Cummins 71595
Upper Radiator Hose Cummins 71594
Water Pump Cummins  
Fuel Shutdown Solenoid Cummins  
Fuel Banjo Bolt Washer
(fuel Filter)
Cummins  
Fuel Banjo Bolt Washer
(Injector Pump)
Cummins  
Fuel Lift Pump Cummins  
* LF3959 superseded LF3935, LF3885, LF3949 for all model years.
Cummins 3942470 supersedes 3931470.
Mopar 5016547AC - replaced 5016547AB
Fleetguard LF3984 has been upgraded without a number change.
 
Engine Manual Numbers
Engine Parts Manual 1991.5 Cummins 3884385
Operation & Maint man 12V Cummins 3810205
Engine Service Shop Manual 1991-1994 3666017
Troubleshooting and repair 1991-1994 3666087
Cummins engine oil recommendations 12V Cummins 3810340-01
Cummins Engine Fuel recommendations 12V Cummins 3379001-05
Fleetguard Cooling System Maintenance 12V Cummins 3387910
Injection System Information 12V Cummins 3666037-04

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Last Update: March 6, 2000