Service parts for the 80REOZJ
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
2 requiredOil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 83 kW |
| Standby kVA | 104 |
| Prime power | 80 kW |
| Emissions | Tier 3 EPA-Certified |
| Controller | APM402, APM603, Decision-Maker 3000, Decision-Maker 550 |
| Oil capacity | 15.6 L |
| Alternator | 4R9X |
| Voltage options | 240 V |
| Phase | 1 |
| Power factor | 1.0 |
| Circuit breaker | 400 A |
| Battery cranking | 640 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 20.1 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2334×864×1210 mm |
| Dry weight | 1056 kg |
| Fuel tank | 215.0 L |
Engine
| Oil capacity | 15.6 L |
|---|---|
| Coolant capacity | 8.5 L |
| Displacement | 4.5 L |
| Aspiration | Turbocharged, Charge Air-Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the John Deere 4045HF285H| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element, air cleaner | 253108 | Amazon $32.19 eBay $71.99 | ||
| Fuel filter | Primary | GM50074 | Amazon $76.45 eBay $70.33 | ||
| Fuel filter | Secondary | GM50006 | Amazon $23.99 eBay $26.99 | ||
| Oil filter | GM32809 | Amazon $57.96 eBay $26.25 | |||
| Belt | GM77161 | Amazon eBay |
Service specifications
30| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. |
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
What size generator is the Kohler 80REOZJ?
The Kohler 80REOZJ is rated 83 kW standby (104.0 kVA).
Which engine powers the Kohler 80REOZJ?
The Kohler 80REOZJ is powered by the John Deere 4045HF285H engine.
What fuel does the Kohler 80REOZJ use?
The Kohler 80REOZJ runs on Diesel.
What is the oil capacity of the Kohler 80REOZJ?
The John Deere 4045HF285H engine in the Kohler 80REOZJ has an oil capacity of 15.6 liters.
What alternator does the Kohler 80REOZJ use?
The Kohler 80REOZJ uses a 4R9X alternator.
What oil filter does the Kohler 80REOZJ use?
The Kohler 80REOZJ uses oil filter part number GM32809.
What fuel filter fits the Kohler 80REOZJ?
The Kohler 80REOZJ uses fuel filter part numbers GM50074, GM50006.
What air filter does the Kohler 80REOZJ use?
The Kohler 80REOZJ uses air filter part number 253108.
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 223604 | Filter, oil | 1 | Oil filter | Amazon $36.99 eBay $13.00 |
| 253108 | Element, air cleaner | 1 | Air filter | Amazon $32.19 eBay $71.99 |
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 | 25% | 7.9 | 2.1 |
| Prime | 50% | 14.4 | 3.8 |
| Prime | 75% | 19.3 | 5.1 |
| Prime | 100% | 23.8 | 6.3 |
| Standby | 25% | 8.3 | 2.2 |
| Standby | 50% | 15.5 | 4.1 |
| Standby | 75% | 21.2 | 5.6 |
| Standby | 100% | 26.1 | 6.9 |
Available documents
Spec sheet (Kohler)Spec sheet — Kohler-80REOZJF (Kohler)Spec sheet — g5356 (Kohler)Reference (Kohler)Reference — 80-125REOZJ Snow Enclosures G6145 (Kohler)Reference — EastHampton CaseStudy (Kohler)Reference — G6-39 0918AZ (Kohler)Parts manual — g260412 (Kohler)Parts manual — tp5408 (Kohler)Service manual — REVISED 263200-07-1-Generator-Q-House-RSA-Review-11-2-22 (Kohler)Service manual — tp5851 (Kohler)Service manual — tp6439 (Kohler)Service manual — tp6798 (Kohler)Service manual — tp7138 (Kohler)Service manual — tp7149 (Kohler)Service manual — tt1649 (Kohler)