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Home›Engines›Cummins/Onan Cummins DFEB

Cummins/Onan Cummins DFEB Engine Engine

The Cummins/Onan Cummins DFEB is an engine. It powers generator sets from Cummins/Onan, including the DFE.

Also known as: Cummins Cummins DFEB

Part of the Cummins/Onan Cummins engine family — 4 variants share parts & fitment.

Engine specifications

Generator sets powered by this engine

1
Cummins/Onan DFE

Common problems

15
  • Over Current 1471
  • Low AC Voltage 2331
  • High AC Voltage 2358
  • Weak Battery 1442
  • Warning, Shutdown, and Non-Automatic lamps are not lit. Digital display shows main menu or selected menu.
    Cause: Indicates all engine systems are normal. No corrective action required
  • Warning lamp lights.
    Cause: LOW COOLANT TEMP 210 – WARNING
    Fix: Set is in standby mode but is not operating. Warning occurs when engine coolant temperature is 70° F (21° C) or lower. NOTE: In applications where the ambient temperature falls below 40°F (4°C), Low Engine Temp may be indicated even though the coolant heaters are operating.
  • Under Frequency 1448
  • Too Long in Idle 2342
  • The light will display the fault codes (active or inactive) in succession, starting with the most recent. Up to 32 (unacknowledged) fault codes can be stored in control panel memory. 213
  • Speed/Hz Match 1469
  • Speed Signal Lost 121
  • Shutdown lamp lights. 212
    Cause: Indicates engine has overheated (coolant temperature has risen above the shutdown trip point: 223° F – standby / 215° F – primary) or the coolant level is low. Allow engine to cool down completely before proceeding with the following checks:
    Fix: A. Check coolant level and replenish if low. Look for coolant leakage and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check fan belt and repair or tighten if necessary. d. Reset control and restart after locating and correcting problem. Contact an authorized service center if none of the above.
  • Shutdown After Battle Short 1123
  • Short Circuit 1445
  • Remote Emergency Stop 1434

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan Cummins DFEB.

Parts cataloged across the Cummins/Onan Cummins family

103
Part #DescriptionCategory
502-0942Elbow, Hose - 90 (3/8 x 5/8)hose
503-0189Clamp, Hosehose
870-0257Nut, Locking (5/16−18) * − Parts Used On Heat Exchanger Installations With Automatic Water Regulator # − Cut Off And Discard Swivel Connector End Of Hose So That 1/8 NPT Connector End Measures Length As Indicated Above + − Parts Used On Heat Exchanger Installations Without Automatic Water Regulatorhose
130-3729other_service
130-3730other_service
130-3731other_service
130-3732other_service
130-3734other_service
130-3736other_service
130-3737other_service
130-3738other_service
130-3739other_service
130-3740other_service
130-3744other_service
140-1260Fitting, Safety Filterother_service
140-1548Indicator, Serviceother_service
140-2052Bandother_service
140-2097Cleanerother_service
140-2098Hood, Air Inlet (Includes Mounting Clamp)other_service
140-2099Bandother_service
140-245913racketother_service
140-2463140-2464 3 98-5822 4 309-0436 505-0117 5 309-0437 SOS- SOS 503 8 501 9 1 SO- lO 130 11 98other_service
140-2464other_service
140-2472Tubeother_service
140-2474Tubeother_service
155-0658other_service
155-2437other_service
159-1208other_service
159-1231other_service
159-1232other_service
193-0029other_service
193-0128. Gauge, Pressure (Includesother_service
300-4111-02Board, Relay - Alarm (Includes Relay)other_service
300-4111-04other_service
303-1704EIbowother_service
308-0916821-OCJIOother_service
309-0180other_service
309-0437505-0117 42 501-0520 43 501-0524 1-5 TABLE OF CONTENTS CONTROL SECTION GENERATOR SET CONTROLother_service
319-0489other_service
319-0490other_service
323-1304tiotming, Umectorother_service
333-2947OFAA. OFAB, WACother_service
333-2948OFOF. OFCB. OFCCother_service
338-2446Harnessother_service
338-2538Harnessother_service
415-0565-02other_service
416-0444Cable, Battery - Negativeother_service
416-0446Cable, Battery (#2/0) 12-1/2" (Jumper)other_service
416-0960other_service
501-0216Line, Fuelother_service
501-0552other_service
502-0034Tubeother_service
502-0080F1angeother_service
503-0881Elementother_service
503-0882Elbowother_service
503-1487other_service
503-1731other_service
505-0004Nipple, Pipe (1.0 x 1.50)other_service
505-0050Nut, Cap - Hex Head (#10-32 x 30mm)other_service
505-0084other_service
505-0098Bandother_service
505-0151S26-0238other_service
505-0166Tee, Pipe (3/4º)other_service
505-0356Elbowother_service
505-1384Bushingother_service
508-0015Accessory 54 (Except Voltageother_service
670-0517-902standoff(wlbw)(qother_service
800-0052Screwother_service
800-0065other_service
800-0071800-0071 Set only)other_service
800-0088Elbowother_service
800-0215other_service
800-0236other_service
800-027024 856-0010 2 25 332-1292 1 26 809-0035 1 27 508-0015 1 28 870-0196 1 29 332-1281 1 30 1other_service
821-0010Drain Cock, Rubberother_service
821-0016SCREW, CAP- HEX HEAD 7/16-14 x 3/4"other_service
821-0029Screw, Self–Locking – Hex Washer Head (3/8–16 x 3/4")other_service
821-0033Screw, Self–Locking – Hex Washer Head (7/16–14 x 3/4")other_service
850-0055Washer, Lock - Spring (7/16")other_service
850-0060Washer, Lock - Springother_service
850-2008Heater, Engine Coolantother_service
856-0008Washer (5/ 16 “),Shakeprcmf EITother_service
856-0010Washer, Lock - EIT (3/8”)other_service
856-0013Washerother_service
862-0035other_service
870-0212Nut, Locking (1/4-20)other_service
870-0221Harness, Wiring - Remote Control - Spec S (Includes Parts Marked +) Cable - 10 Feet Cable - 30.Feet Housing, Connector Pin Pin, Connector - Male Controlother_service
870-0281Nut, Self-Locking – Hex Washer Head (3/8–16)other_service
870-0437Adapter, Filter - Indicatorother_service
921-0018other_service
960-0138other_service
960-0139other_service
960-0240other_service
399-0117Pump, Fuel Tank (P103)pump
509-0272Sealseal
509-0272-02Sealseal
193-0244Sender, Oil Pressure (E1)sensor
193-0322Sender, Level - Coolantsensor
193-0353Sender, Temperature - Oilsensor
309-0269Air Cleaner (Includes Element) - Standardsensor
501-0084Sender - Tachometersensor
416-0632Cable, Electrical - Starter To Groundstarter
333-0468Thermostatthermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

Which generators use the Cummins/Onan Cummins DFEB engine?

The Cummins/Onan Cummins DFEB powers 1 generator set(s), including Cummins/Onan DFE.

What is a common problem with the Cummins/Onan Cummins DFEB engine?

A commonly reported issue on generators using the Cummins/Onan Cummins DFEB is: Over Current.