Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 2800 kW |
| Standby kVA | 3500 |
| Prime power | 2540 kW |
| Emissions | Tier 2 |
| Controller | Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 390.0 L |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Coolant capacity | 742.0 L |
Engine
| Oil capacity | 390.0 L |
|---|---|
| Coolant capacity | 205.0 L |
| Displacement | 95.4 L |
| Aspiration | Exhaust turbocharging (ETC) with charge-air cooling (CAC) |
| Rated speed | 1800 rpm |
Same engine, other brands
2 brandsThe MTU 20V 4000 G83 in this set also powers 4 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| MTU | 20 V 4000 G83, DP 2600 D6S RW, DS 2810 D6S RW |
| Hipower | HMW 2890 T6 |
Maintenance & consumables
for the MTU 20V 4000 G83| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Secondary | ×1 | — | ||
| Oil filter | Spin-On | ×5 | — | ||
| Oil | 390.0 L | — |
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.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 12-lead optional voltage connections | 12 | Alternator optional feature | ||
| 4-lead dedicated voltages | 4 | Alternator standard feature | ||
| 110/127/139/240/254/277 | single-phase | switchable | Towable generator model specifications; some models n/a | |
| 208/220/240/415/440/480 | 3-phase | reconnectable | Towable generator model specifications | |
| 208/220/240/415/440/480 | 3-phase | switchable | Towable generator model specifications |
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 2800REOZD?
The Kohler 2800REOZD is rated 2800 kW standby (3500.0 kVA).
Which engine powers the Kohler 2800REOZD?
The Kohler 2800REOZD is powered by the MTU 20V 4000 G83 engine.
Is the Kohler 2800REOZD diesel or gas?
The Kohler 2800REOZD runs on diesel.
How much oil does the Kohler 2800REOZD take?
The MTU 20V 4000 G83 engine in the Kohler 2800REOZD has an oil capacity of 390.0 liters.
What is the cooling system capacity of the Kohler 2800REOZD?
The Kohler 2800REOZD cooling system holds 742 liters (196.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 2800REOZD?
The Kohler 2800REOZD is rated 2540 kW prime (3175 kVA), against 2800 kW standby.
What voltages is the Kohler 2800REOZD available in?
The Kohler 2800REOZD is offered in 480 V, 3-phase-phase.
What alternator comes on the Kohler 2800REOZD?
The Kohler 2800REOZD uses a Fast-Response PMG alternator. Insulation class Class H.
Parts
16model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 279720 | Hose, hump | 4 | Hose | Amazon |
| 279736 | Element, primary | 2 | Air filter | Amazon eBay NAPA $228.15 |
| 279737 | Element, secondary | 2 | Air filter | Amazon eBay |
| 279738 | Element, primary | 1 | Air filter | Amazon eBay KuduParts $248.00 |
| 279739 | Element, air cleaner, inner | 1 | Air filter | Amazon eBay FridayParts $165.75 |
| 347957 | Hose, 45 deg elbow, 8.00 in. ID | 1 | Hose | buy |
| GM23518 | Hose, hump, 8.00 in. ID | 1 | Hose | buy |
| GM23519 | Hose, 90 deg elbow, 8.00 in. ID | 1 | Hose | buy |
| GM24553 | Alternator Belt | Belt | Amazon eBay | |
| GM28302 | Hose, straight air, 8.00 in. ID | 1 | Hose | buy |
| GM30213 | Thermostat | Thermostat | eBay | |
| GM35390 | Seal | Seal | eBay $27.99 | |
| GM51785 | Alternator Belt | Belt | Amazon eBay | |
| GM64086 | Alternator Belt | Belt | Amazon eBay | |
| GM69997 | Element, Primary (Outer) | 1 | Air filter | Amazon eBay $108.80 |
| GM69998 | Element, Secondary (Inner) | 1 | Air filter | Amazon eBay $66.30 |
Compiled from this model's family documentation — may include parts for closely-related variants. 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% | 208.7 | 55.1 |
| Prime | 50% | 368.8 | 97.4 |
| Prime | 75% | 511.9 | 135.2 |
| Prime | 100% | 650.2 | 171.8 |
| Standby | 25% | 226.6 | 59.9 |
| Standby | 50% | 394.5 | 104.2 |
| Standby | 75% | 557.1 | 147.2 |
| Standby | 100% | 707.2 | 186.8 |
Available documents
This page was generated from the 5 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.