Specifications
| Fuel | Diesel (ASTM No. 2) |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 30 kW |
| Standby kVA | 37 |
| Controller | Onan |
| Alternator | Cummins/Onan 30.0 KW UR Generator |
| Voltage options | 120/240 V, 277/480 V |
| Phase | 3-Phase |
| Max ambient | 40 °C |
Maintenance & consumables
for the Ford Ford Diesel| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Every 1000 Hours | — | 1000 hr | find | |
| Fuel filter | Element - Fuel Filter | 502-0678 | 500 hr | PartsGeek | |
| Oil filter | — | 500 hr | find | ||
| Coolant | Every 2000 Hours | — | 2000 hr | ||
| Oil | Every Run / 500 Hours | — | 500 hr |
Common questions
What is the power rating of the Cummins/Onan MDEH?
The Cummins/Onan MDEH is rated 30 kW standby (37.5 kVA).
What engine does the Cummins/Onan MDEH use?
The Cummins/Onan MDEH is powered by the Ford Ford Diesel engine.
What fuel does the Cummins/Onan MDEH use?
The Cummins/Onan MDEH runs on Diesel (ASTM No. 2).
What alternator does the Cummins/Onan MDEH use?
The Cummins/Onan MDEH uses a Cummins/Onan 30.0 KW UR Generator alternator.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Fault lamp lights immediately after engine starts. | Overspeed condition as engine starts. | |
| Fault lamp lights and engine shuts down after running for a period. | A. Oil level. Engine will shut down if sensor is closed. b. Check engine manual for troubleshooting oil system. c. High engine temperature. Check coolant level; check water flow, pump belts for tightness. See engine manual for troubleshooting cooling system. d. Check for faulty oil pressure sensor or faulty high engine temperature sensor. | |
| Engine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights. | Check fuel supply. | |
| Fault lamp lights, no fault exists. | To check a no-fault condition, disconnect leads from TB11 terminals 29, 30 and 31. If fault lamp lights with leads disconnected, replace engine monitor board. Reconnect leads. | |
| Engine runs, shuts down, cranks for 75-seconds, cranking cycle stops, overcrank light ON. | Check fuel supply. | |
| Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds. | See engine service manual for troubleshooting fuel system. After correcting problem, reset engine. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
56| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 130-0462 | Filter Assembly, Engine Coolant | 1 | Coolant filter | PartsGeek |
| 130-0725 | Tube, Injection - Water | 1 | Hose | PartsGeek |
| 132-0109 | WM18!Kf 132-0146 132-0167 WY. PART mm DESCR$PT$O?4 Tube, Water Inlet Hanger Hose Nipple, 8rmw (y!, ~ y., Elbow, l%d~cer - f3rass [1 x 3.14q | 35 | Hose | PartsGeek |
| 193-0244 | Encoder, Pressure - Oil | 1 | Sensor | PartsGeek |
| 193-0249 | Sender, Temperature - Oil | 1 | Sensor | PartsGeek |
| 309-0064 | 1 Spec A through F | 1 | Sensor | PartsGeek |
| 309-0169 | 1 Begin Spec G 25 26 | 1 | Sensor | PartsGeek |
| 502-0577 | Fuel system component | 1 | Fuel | PartsGeek |
| 502-0672 | Line, Fuel - Flexible | 1 | Hose | PartsGeek |
| 502-0678 | Element - Fuel Filter (Includes Gaskets) | 1 | Fuel filter | PartsGeek |
| 503-0183 | Clamp, Hose | 2 | Hose | PartsGeek |
| 503-0189 | Clamp, Hose | 4 | Hose | PartsGeek |
| 503-1164 | Hose, Rubber | 1 | Hose | PartsGeek kuduparts $165.00 |
| 504-0005 | Hose, Coolant - 8.51" Long | 31 | Hose | PartsGeek |
| 130-0705 | 2 | Service part / kit | PartsGeek | |
| 130-0722 | 14 | Service part / kit | PartsGeek | |
| 130-0724 | ~~$.o~~f | 23 | Service part / kit | PartsGeek |
| 14-15-16-87 | “d2/” All ,/ 6 -13 .— — ——. CONTROL ENGINE lNSTfWWIENTS | 5 | Service part / kit | PartsGeek |
| 193-0245 | Part 193-0245 | 1 | Service part / kit | PartsGeek |
| 301-3154 | Saddle | 1 | Service part / kit | PartsGeek |
| 301-3253 | Bracket | 1 | Service part / kit | PartsGeek |
| 303-3244 | 32 307-106I | 1 | Service part / kit | PartsGeek |
| 305-0524 | X) 5fM-oOol | 1 | Service part / kit | PartsGeek |
| 306-0012 | 3$:.%-0284 | 1 | Service part / kit | PartsGeek |
| 307-1058 | Part 307-1058 | 2 | Service part / kit | PartsGeek |
| 307-1157 | Spring, Holddown | 1 | Service part / kit | PartsGeek |
| 315-0343 | 1 | Service part / kit | PartsGeek | |
| 322-0111 | 322-OIOfl | 1 | Service part / kit | PartsGeek |
| 322-0131 | Single Phase Sets Three PhaseSets Screw, ?&chine Round Head {#l&32 x 7/tY$ - Penn state Washer. Lock - IT (#10) Penn State Nut. Machine - I+ | 1 | Service part / kit | PartsGeek |
| 322-0149 | 1 | Service part / kit | PartsGeek | |
| 332-1239 | 9 STRIP, MARKER 33z.1241 | 1 | Service part / kit | PartsGeek |
| 332-1241 | Strip, Marker. ; 502-0583 1. Elbow, Pipe.- 45 Degree - 17% 871-0010 2 Nut, Hex ~ Brass (#10-32) — 5-02-0051 Lo “Coupling, Pipe” oe . 18: 850-0030 8 Washer; Lock ~-Speing (#10) 6 SoS auge, Pressure ~ O | 1 | Service part / kit | PartsGeek |
| 332-1473 | Part 332-1473 | 39 | Service part / kit | PartsGeek |
| 336-0534 | 33S-im | 1 | Service part / kit | PartsGeek |
| 336-1088 | 332-0S37 1 “ti!LOCf%TWtM!A!AL awm?9i5 3324)7s5 332-%tXM .323-0765 332-1271 332-003? 338-0537 357-0004 32.3+s4 332-12@ !332-12M 332-1043 307 | 1 | Service part / kit | PartsGeek |
| 351-0523 | B8 PRINTED CIRCLMT BOARD ASSEMBLY - BEGIN SPEC H REF. No. C1,14 C2. c? C3 C4. CH2 C5. C8 C6 c11 C13 (Y?3 Thru 11 CR12 CR13 cf314 F2.F3 Icl Q | 21 | Service part / kit | PartsGeek |
| 353-0040 | M 3@ao3s TBI 332-1252 c1 355-0018 Mw3$M C2, C7 353-0005 2 m,,R!J$ 2 C3, C9 355-0017 2 FM RM) 3W4W3 2 C4 355-0006 1 R$1 1 C5, C8 355-0016 355 | 1 | Service part / kit | PartsGeek |
| 3C9-0175 | Switch, ZWgmeCodan! Hi-Tempr9ralure .. ENGtNE PAFITS REF. mm an. PART NO. NO. USED OE8CWV1ON 40 ELEMENT, OIL PRESSLJRE 193-0244 193-0108 4% | 1 | Service part / kit | PartsGeek |
| 3S0-0435 | R17 351-0521 | 2 | Service part / kit | PartsGeek |
| 416-0531 | 11 4W0446 1 %2 403-0!!36 la ~~~ : | 1 | Service part / kit | PartsGeek |
| 502-0058 | Rod, Actuating - Fuel Valve | 1 | Service part / kit | PartsGeek |
| 503-0554 | ?30-0785 | 20 | Service part / kit | PartsGeek |
| 503-CW3 | 505-0$10 | 25 | Service part / kit | PartsGeek |
| 505-0102 | Nipple, Pipe - Close (3/4º) | 5 | Service part / kit | PartsGeek |
| 505-0130 | Plug | 17 | Service part / kit | PartsGeek |
| 505-0332 | 9 | Service part / kit | PartsGeek | |
| 505-0771 | 13Q-0725 | 7 | Service part / kit | PartsGeek |
| 505-0909 | 29 | Service part / kit | PartsGeek | |
| 50WMB | 27 | Service part / kit | PartsGeek | |
| 526-0016 | Washer, Flat | 2 | Service part / kit | PartsGeek |
| 526-0127 | Washer, Lock - Spring | 33 | Service part / kit | PartsGeek |
| 600-0027 | Pin, Cotter (1/16" x 1-7/8 Lg) | 2 | Service part / kit | PartsGeek |
| 654-OGW | 27 871-0010 1 “BLOCK. TERMINAL. 332-OSW | 2 | Service part / kit | PartsGeek |
| 812-0151 | 650+040 S3 ~1 5485&U3S0 55600=W48 86(30M02S | 52 | Service part / kit | PartsGeek |
| 85MQ3Q | 81WM&3 PART oEscnwnoM B3 MANIFOLD Ww. PART NO. W. 1 M4-ass8 | 14 | Service part / kit | PartsGeek |
| 862-0016 | 60&O090 | 37 | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 9.84 | 2.6 |
Available documents
Operator's manual — 976-0121 Onan MDEH (spec H) Marine Diesel Genset Operator's manual (09-1977) (Cummins/Onan)Operator's manual — SB183 (Cummins/Onan)Parts manual — 976-0221 Onan MDEH (spec B-J) Marine Diesel Genset Parts manual (02-1980) (Cummins/Onan)