Specifications
| Fuel | Natural Gas, Propane |
|---|
Maintenance & consumables
for the Cummins/Onan GTA8.3-G1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Check Following: Air Intake System - Inspection, Air Cleaner Restriction - Checking | — | 250 hr | find | |
| Fuel filter | — | 1500 hr | find | ||
| Oil filter | — | 250 hr | find | ||
| Belt | — | 250 hr | find | ||
| Coolant | as needed | 18.9 | — | 1500 hr | |
| Coolant filter | — | 250 hr | find | ||
| Oil | 18.9 | — | 250 hr |
Common questions
What engine does the Cummins/Onan GTA8.3 use?
The Cummins/Onan GTA8.3 is powered by the Cummins/Onan GTA8.3-G1 engine.
What fuel does the Cummins/Onan GTA8.3 use?
The Cummins/Onan GTA8.3 runs on Natural Gas, Propane.
Parts
47| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-025-001 | Air Filter | 1 | Air filter | eBay PartsGeek |
| 100-026-001 | Oil Filter | 1 | Oil filter | PartsGeek |
| 100-027-001 | Fuel Filter | 1 | Fuel filter | PartsGeek hdturbo $2399.00 |
| 100-028-001 | Coolant Filter | 1 | Coolant filter | PartsGeek |
| 100-029-001 | Belt | 1 | Belt | PartsGeek hdturbo $2299.00 |
| 100-030-001 | Spark Plug | 1 | Spark plug | PartsGeek |
| 3375048 | Oil Filter Wrench. | Oil filter | PartsGeek | |
| 3395076 | Spark Plug Removal 5/8”. | Spark plug | PartsGeek | |
| 380055800 | SET,LOWER ENGINE GASKET | 1 | Gasket | PartsGeek |
| 392863900 | THERMOSTAT | 2 | Thermostat | PartsGeek |
| 394591700 | SET,MAIN BEARING (STD) | 1 | Gasket | PartsGeek |
| 557902600 | SET,UPPER ENGINE GASKET | 1 | Gasket | PartsGeek |
| S971KA | Snap-On P.N. S971KA magnetic spark plug socket | Spark plug | PartsGeek | |
| V2-78 | 400 VF (Vari-Fuel) Bullet Valve | Bullet valve | PartsGeek | |
| WF2070 | DCA4™ Water Filter Element | 6 | Filter | PartsGeek |
| WF2071 | DCA4™ Water Filter Element | 4 | Filter | Amazon eBay $18.95 PartsGeek |
| WF2072 | DCA4™ Water Filter Element | 6 | Filter | Amazon eBay $20.95 PartsGeek |
| WF2073 | Coolant Filter | Coolant filter | Amazon eBay $18.00 PartsGeek | |
| WF2074 | DCA4™ Water Filter Element | 6 | Filter | Amazon eBay $34.00 PartsGeek |
| WF2075 | DCA4™ Water Filter Element | 20 | Filter | PartsGeek kuduparts $23.00 |
| WF2076 | DCA4™ Water Filter Element | 35 | Filter | Amazon eBay $45.00 PartsGeek |
| 10113858 | Op Meter Carrying Case. | Service part / kit | PartsGeek | |
| 3375208 | DCA4™ Test Kit. | Service part / kit | PartsGeek | |
| 3394430 | GTA8.3 Irrigation Panel Assy. (5 Gauge Panel) | Service part / kit | PartsGeek | |
| 3395077 | Digital Thermometer 450 AET Type E. | Service part / kit | PartsGeek | |
| 394586600 | TAPPET,VALVE | 12 | Service part / kit | PartsGeek |
| 395066100 | BEARING,CON ROD (STD) | 12 | Service part / kit | PartsGeek |
| 408943300 | KIT,ENGINE PISTON | 6 | Service part / kit | PartsGeek |
| 409960600 | CAMSHAFT | 1 | Service part / kit | PartsGeek |
| 528336800 | BUSHING | 7 | Service part / kit | PartsGeek |
| 540440800 | LINER,CYLINDER | 6 | Service part / kit | PartsGeek |
| 60110001 | Compression Tester. | Service part / kit | PartsGeek | |
| 60210006 | Pliers for Ignition Wire Crimping. | Service part / kit | PartsGeek | |
| 60810002 | Set of Feeler Gauges. | Service part / kit | PartsGeek | |
| 61210002 | Tachometer Hand Held. | Service part / kit | PartsGeek | |
| 91372621 | Oo Meter. | Service part / kit | PartsGeek | |
| 91400202 | Carrying Case Digital Manometer (Each) | 3 | Service part / kit | PartsGeek |
| 91400203 | Digital Manometer 0 to 30 psi. | Service part / kit | PartsGeek | |
| 91400204 | Digital Manometer 0 to 19.99 WC. | Service part / kit | PartsGeek | |
| 91400205 | Hand Held Digital Thermometer with Case. | Service part / kit | PartsGeek | |
| 91400206 | Laser Heat Gun & Carrying Case. | Service part / kit | PartsGeek | |
| 91400207 | Volt Meter & Hertz Meter. | Service part / kit | PartsGeek | |
| 91400208 | Timing Light | Service part / kit | PartsGeek | |
| 91400210 | Carrying Case Small. | Service part / kit | PartsGeek | |
| 91400211 | Digital Manometer 0 to 199.9 WC. | Service part / kit | PartsGeek | |
| 91400809 | Carrying Case Large. | Service part / kit | PartsGeek | |
| 971400039 | Fitting 1/8 npt Thermocouple ( Each). | 12 | 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 | |||
| Standby | |||
| Standby | 100% |
Available documents
Engine spec — indhpParts manual — 0061372Parts manual — 0061946Service manual — CUMMINS GTA 8.3 Operation and Maintenance Manual 2001 (2) (Cummins/Onan)