Service parts for the 120REOZT4
Grouped by system, with how many of each the parts manual calls for.
Air intake
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 | 105 kW |
| Standby kVA | 131 |
| Prime power | 96 kW |
| Emissions | FT4 |
| Controller | Decision-Maker 3500, Decision-Maker r 3500 |
| Oil capacity | 21.0 L |
| Alternator | 4R12X |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Rated current | 364 A |
| Circuit breaker | 400 A |
| Battery group | One |
| Battery cranking | 450 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 26.1 L |
| Max ambient | 45 °C |
| Dimensions (L×W×H) | 2951×1119×2156 mm |
| Dry weight | 2660 kg |
| Sound level | 71.0 dBA @ 7 m |
| Fuel tank | 727.0 L |
| Tank runtime | 24 hr |
Filters for the John Deere PowerTech 6.8L
4Engine-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.
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550779 | Lube Filter, Spin-On Full Flow | JOHN DEERE RE504836, JOHN DEERE RE50486, NAPA 7750S, SKYJACK 13502869 | KuduParts $19.00 |
| Oil filter | P551352 | Lube Filter, Spin-On Full Flow | JOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 | buy |
| Fuel / water separator | P551422 | Fuel Filter, Water Separator Cartridge | JOHN DEERE AT274723, JOHN DEERE RE22878, NAPA 3978, CLAAS 0011318200 | KuduParts $22.00 FridayParts $24.50 |
| Fuel / water separator | P551424 | Fuel Filter, Water Separator Spin-On | JOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 | KuduParts $16.00 FridayParts $18.50 |
Maintenance & consumables
for the John Deere PowerTech 6.8L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Heavy Duty Air Cleaner | GM94203 | Amazon eBay | ||
| Fuel filter | Primary | — | |||
| Oil filter | Cartridge | ×1 | — | ||
| Battery | 450 CCA | — |
Compatible filters for the John Deere PowerTech 6.8L — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
Common questions
What is the power rating of the Kohler 120REOZT4?
The Kohler 120REOZT4 is rated 105 kW standby (131.0 kVA).
Which engine powers the Kohler 120REOZT4?
The Kohler 120REOZT4 is powered by the John Deere PowerTech 6.8L engine.
What fuel does the Kohler 120REOZT4 use?
The Kohler 120REOZT4 runs on Diesel.
What is the cooling system capacity of the Kohler 120REOZT4?
The Kohler 120REOZT4 cooling system holds 26.1 liters (6.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the oil capacity of the Kohler 120REOZT4?
The Kohler 120REOZT4 has an engine oil capacity of 21 liters (22.2 US quarts), per the manufacturer specification sheet.
What is the prime power rating of the Kohler 120REOZT4?
The Kohler 120REOZT4 is rated 96 kW prime (120 kVA), against 105 kW standby.
How loud is the Kohler 120REOZT4?
The Kohler 120REOZT4 is rated at 71.0 dBA at 7 m, per the manufacturer specification sheet.
How much does the Kohler 120REOZT4 weigh?
The Kohler 120REOZT4 has a dry weight of 2660 kg (5864 lb).
How big is the fuel tank on the Kohler 120REOZT4?
The Kohler 120REOZT4 has a 727 liter (192 US gallon) fuel tank, giving about 24 hours of runtime.
What voltage does the Kohler 120REOZT4 produce?
The Kohler 120REOZT4 is offered in 120/208 V, 120/240 V, 277/480 V, 347/600 V, 3-phase.
What size battery does the Kohler 120REOZT4 need?
The Kohler 120REOZT4 uses 1 battery, 12 V each, 450 CCA, group One, per the manufacturer specification sheet.
What alternator does the Kohler 120REOZT4 use?
The Kohler 120REOZT4 uses a 4R12X alternator.
Which oil filter part number does the Kohler 120REOZT4 take?
The Kohler 120REOZT4 uses oil filter part numbers KOHLER GM32809, KOHLER 360031.
What fuel filter fits the Kohler 120REOZT4?
The Kohler 120REOZT4 uses fuel filter part numbers KOHLER GM50006, KOHLER 336661.
What air filter does the Kohler 120REOZT4 use?
The Kohler 120REOZT4 uses air filter part number GM94203.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| GM100703 | Element, Primary | 1 | Air filter | Amazon eBay |
| GM100704 | Element, Safety | 1 | Air filter | Amazon eBay |
| GM62396 | Hose, Reducer | 1 | Hose | Amazon eBay |
| GM94203 | Heavy Duty Air Cleaner | 1 | Air filter | Amazon eBay |
| 100REOZJ4 | Stationary non-emergency gen-sets | Service part / kit | Amazon eBay | |
| 80REOZJ4 | Stationary non-emergency gen-sets | 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 3.2 | 0.8 | |
| Prime | 25% | 9.8 | 2.6 |
| Prime | 50% | 15.4 | 4.1 |
| Prime | 75% | 21.2 | 5.6 |
| Prime | 100% | 28.0 | 7.4 |
Available documents
This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.