Service parts for the 750.0 DFZ
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Oil capacity | 129.0 L |
|---|---|
| Battery voltage | 24 VDC V |
Engine
| Oil capacity | 129.0 L |
|---|---|
| Coolant capacity | 308.0 L |
| Displacement | 38.0 L |
| Aspiration | turbocharged and after cooled |
Filters for the Cummins/Onan KTA38
3Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550777 | Lube Filter, Spin-On Bypass | CUMMINS 3021658, CUMMINS 33004232, NAPA 1749, BALDWIN B7577 | FridayParts $43.56 |
| Oil filter | P551670 | Lube Filter, Spin-On Full Flow | CUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 | FridayParts $26.68 |
| Fuel / water separator | P552006 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3089916, CUMMINS 4095189, NAPA 3645, BALDWIN BF1262 | FridayParts $42.88 |
Same engine, other brands
1 brandThe Cummins/Onan KTA38 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| AKSA | AC1026-38 |
Maintenance & consumables
for the Cummins/Onan KTA38| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 2500 hr | |||
| Fuel filter | — | 1800 hr | |||
| Fuel filter | Element (Dual Fuel/Water Separator) | 149-1689 | Amazon eBay $110.91 | ||
| Oil filter | F148-9000 | 2500 hr | Amazon eBay | ||
| Battery | — | 1800 hr | |||
| Belt | — | 2500 hr | |||
| Coolant | — | 3600 hr | |||
| Oil | 5.2 L | — | 3600 hr | ||
| Spark plug | — | 2500 hr |
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 110/190, 115/200 | 3 | Code 31 | Reconnectible stator | |
| 120/208 | 3 | Code 4 | 4 | 60 Hz |
| 120/208, 127/220 | 3 | Code 519 | Reconnectible stator | |
| 120/240 | 3 | Code 5D | 4 | 60 Hz |
| 127/220 | 3 | Code 8 | 4 | 60 Hz |
| 139/240 | 3 | Code $ (99 on nameplate) | 4 | No Standard Voltage Code, number 99 is marked on the nameplate for reference information |
| 200/346 | 3 | Code 523 | Reconnectible stator | |
| 220/380 | 3 | Code 7 | 4 | 60 Hz |
| 220/380, 230/400 | 3 | Code 520 | Reconnectible stator | |
| 240/416 | 3 | Code 7X | 4 | 60 Hz |
| 240/416, 254/440 | 3 | Code 521 | Reconnectible stator | |
| 240/416, 254/440 | 3 | Code 522 | Reconnectible stator | |
| 240/480 | 3 | Code 6D | 4 | 60 Hz |
| 277/480 | 3 | Code 4X | 4 | 60 Hz |
| 347/600 | 3 | Code 9X | 4 | 60 Hz |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
Which engine powers the Cummins/Onan 750.0 DFZ?
The Cummins/Onan 750.0 DFZ is powered by the Cummins/Onan KTA38 engine.
What's the oil capacity on a Cummins/Onan 750.0 DFZ?
The Cummins/Onan KTA38 engine in the Cummins/Onan 750.0 DFZ has an oil capacity of 129.0 liters.
How much coolant does the Cummins/Onan 750.0 DFZ hold?
The Cummins/Onan 750.0 DFZ cooling system holds 308 liters (81.4 US gallons) for the engine, per the manufacturer specification sheet.
What oil filter fits the Cummins/Onan 750.0 DFZ?
The Cummins/Onan 750.0 DFZ uses oil filter part number F148-9000.
Which fuel filter part number does the Cummins/Onan 750.0 DFZ take?
The Cummins/Onan 750.0 DFZ uses fuel filter part number 149-1689.
Parts
51| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 010112 | Thermostat | 2 | Thermostat | Amazon eBay |
| 010156 | Heater Hose Connection | 2 | Connection | Amazon eBay |
| 010159 | 1” NPT x 16 I/D Hose Connector | 2 | Connector | Amazon eBay |
| 010167 | Heater Support | 2 | Support | Amazon eBay |
| 011250 | Battery Link | 2 | Link | Amazon eBay |
| 011261 | Battery Lead (-VE) | 1 | Battery lead | Amazon eBay |
| 011262 | Battery Lead (+VE) | 1 | Battery lead | Amazon eBay |
| 011270 | Battery Lead, +ve | 1 | Battery lead | Amazon eBay |
| 011281 | STR/STR - STR/Earth Lead (-VE) | 2 | Lead | Amazon eBay |
| 01930388 | Sender, Oil Temperature | 1 | Sensor | Amazon eBay |
| 0300-4623-26 | DFJD (600V) | 1 | Current transformer | Amazon eBay |
| 0300-4623-51 | DFJD BR (0-480V) | 1 | Current transformer | Amazon eBay |
| 03090269 | Switch, Low Engine Temperature (LET) | 1 | Switch | Amazon eBay FridayParts $54.73 |
| 035090 | Battery Clamp | 1 | Clamp | Amazon eBay |
| 035095 | Clamp Bolt | 2 | Bolt | Amazon eBay |
| 035105 | Battery Tray | 1 | Tray | Amazon eBay FridayParts $43.92 |
| 049001 | Clip | 4 | Clip | Amazon eBay |
| 05050151 | Reducer, 1/2” x 1/8” NPT | 1 | Reducer | Amazon eBay |
| 050861 | 11/4’’ NPT x 1’’ NPT Hex Nipple | 2 | Nipple | Amazon eBay |
| 052045 | Lead Acid Battery - Dry (Export) | 4 | Battery | Amazon eBay |
| 149-1689 | Element (Dual Fuel/Water Separator) | 1 | Fuel filter | Amazon eBay $110.91 |
| 150-0717 | Switch Assembly, Overspeed | 1 | Sensor | Amazon eBay $99.95 |
| 151-0411 | Pickup, Magnetic | 1 | Sensor | Amazon eBay KuduParts $208.00 FridayParts $218.33 SinoCMP $279.00 |
| 155-0675 | Gasket (Water Outlet) | Gasket | eBay | |
| 155-1030 | Gasket (Exhaust Header) | 1 | Gasket | eBay |
| 415-0486 | Gasket (Fuel Tank - Overhead/Underground Supply) | Gasket | eBay | |
| 418520 | Battery Terminal, On Line | 4 | Terminal | Amazon eBay |
| 427560 | Battery Boot, Single Outlet | 2 | Boot | Amazon eBay |
| 427561 | Battery Boot, Copper Link | 2 | Boot | Amazon eBay |
| 503-0359 | Hose (1-5/8" I.D. x 3 ' )' | 1 | Hose | Amazon eBay |
| 503-0788 | Hose (Cooling System - Standpipe) | 1 | Hose | Amazon eBay |
| 518-0548-24 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 526-0063 | Gasket (Fuel Tank) | 1 | Gasket | Amazon eBay |
| 706187 | M4 x 12 mm Steel Cheesehead Screw | 8 | Screw | Amazon eBay |
| 715250 | M8 Steel Wing Nuts | 2 | Nut | Amazon eBay |
| 716007 | M4 Plain Washer, Thick, Steel, Form A | 8 | Washer | Amazon eBay |
| 960-0504 | PCC Control Service Manual | * | Service manual | Amazon eBay |
| 960-0507 | Detector Control Service Manual | ** | Service manual | Amazon eBay $49.00 |
| FF202 | Fuel, Spin-On | 2 | Fuel filter | Amazon eBay $34.99 NAPA $43.99 |
| FS1216 | Fuel/Water Sep Spin-On | 2 | Fuel filter | Amazon eBay $49.99 NAPA $65.16 FridayParts $48.99 |
| 151-0399 | Controller (Electric Governor) | 1 | Service part / kit | eBay $1500.00 |
| 151-0419 | Actuator (Electric Governor) | 1 | Service part / kit | eBay |
| 159-0020 | Cap, Tank | 1 | Service part / kit | Amazon eBay |
| 307-0839 | Valve, Solenoid | 1 | Service part / kit | Amazon eBay |
| 307-1861 | Valve, Solenoid (Overhead Supply) | 1 | Service part / kit | eBay |
| 309-0243 | Valve, Control - Temperature Regulating | 1 | Service part / kit | Amazon eBay |
| 309-0407 | Valve, Float (Overhead Supply) | 1 | Service part / kit | eBay |
| 331-0027 | Clamp, Junction Box - Spec A through G | 1 | Service part / kit | Amazon eBay |
| 332-2634 | Clamp, Hose | 1 | Service part / kit | Amazon eBay |
| 508-0018 | Washer, Insulating (1/4" ID) | 1 | Service part / kit | eBay |
| 518-0548-42 | Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper) | 20 | Service part / kit | Amazon eBay |
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.
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.