Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 800 kW |
| Standby kVA | 1000 |
| Prime power | 725 kW |
| Emissions | Tier 2 |
| Controller | Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 67 L (70.8 US qt) |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Power factor | 0.8 |
| Battery cranking | 1150 CCA |
| Battery voltage | 12 V |
| Battery quantity | Two |
| Coolant capacity | 310.0 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 4749×1929×2364 mm |
| Wet weight | 6123 kg |
Engine
| Oil capacity | 67 L (70.8 US qt) |
|---|---|
| Coolant capacity | 130.0 L |
| Displacement | 23.9 L |
| Aspiration | 4-Cycle, Turbocharged, Intercooled |
| Rated speed | 1800 rpm |
Filters for the MTU 12V2000 G85 R123-8A37
2Engine-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 | |
|---|---|---|---|---|
| Fuel / water separator | P502404 | Fuel Filter, Water Separator Spin-On | MTU 0020920601, MTU 20920601, BALDWIN BF7987, SDMO 330510032 | KuduParts $18.00 FridayParts $20.68 |
| Fuel / water separator | P552216 | Fuel Filter, Water Separator Spin-On Twist&Drain | NAPA 3613, BALDWIN BF1216, FURUKAWA 1257972H1, CATERPILLAR 1510240 | buy |
Maintenance & consumables
for the MTU 12V2000 G85 R123-8A37| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | — | |||
| Fuel filter | 1, Secondary | — | |||
| Oil filter | 2, Cartridge | — | |||
| Coolant | 310.0 L | — | |||
| Oil | 67 L (70.8 US qt) | — |
Service specifications
40| 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 | Frequency regulation, no-load to full-load | Isochronous | ||
| Other | Frequency regulation, steady state | 0.25 | % | |
| Other | Max. restriction of cooling air, intake and discharge side of radiator | 0.125 (0.5) | kPa (in. H2O) | |
| 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. | |
| Pressure | Max. return line restriction (fuel) | 50 (14.7) | kPa (in. Hg) | |
| Pressure | Maximum allowable back pressure (exhaust) | 8.5 (2.5) | kPa (in. Hg) | 60 Hz |
| Pressure | Min./max. fuel pressure at engine supply connection | --30/50 (--8.8/14.8) | kPa (in. Hg) | |
| Speed | Rated rpm | 1800 (60 Hz); 1500 (50 Hz) | rpm | |
| Temperature | Ambient temperature (radiator system) | 50 (122) | _C (_F) | enclosure with enclosed silencer reduces capability by 5_C (9_F) |
| Temperature | Exhaust temperature at rated kW, dry exhaust | 580 (1076) (60 Hz); 565 (1049) (50 Hz) | _C (_F) | at rated kW, dry exhaust |
| Voltage | Voltage regulation, no-load to full-load (alternator) | 0.25 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | #2 Diesel | Fuel supply line min. ID 12 mm (0.5 in.); fuel return line min. ID 6 mm (0.25 in.); max. fuel flow 480 Lph (127 gph) |
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 800REOZDE?
The Kohler 800REOZDE is rated 800 kW standby (1000.0 kVA).
What engine is in the Kohler 800REOZDE?
The Kohler 800REOZDE is powered by the MTU 12V2000 G85 R123-8A37 engine.
What kind of fuel does the Kohler 800REOZDE run on?
The Kohler 800REOZDE runs on diesel.
How much oil does the Kohler 800REOZDE take?
The Kohler 800REOZDE takes 67 L (70.8 US qt) of engine oil (MTU 12V2000 G85 R123-8A37 engine specification).
What is the fuel flow rate of the Kohler 800REOZDE (12V2000 G85 R123-8A37)?
The Kohler 800REOZDE has a maximum fuel supply flow of 480 L/hr (127 US gph); at full standby load it burns 219.6 L/h (58 gal/h). Source: Kohler-800REOZDE-spec-sheet.
What is the coolant capacity of the Kohler 800REOZDE?
The Kohler 800REOZDE cooling system holds 310 liters (81.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 800REOZDE?
The Kohler 800REOZDE is rated 725 kW prime (906 kVA), against 800 kW standby.
What voltage does the Kohler 800REOZDE produce?
The Kohler 800REOZDE is offered in 480 V, 3-phase-phase.
What size battery does the Kohler 800REOZDE need?
The Kohler 800REOZDE uses Two batteryies, 12 V each, 1150 CCA, per the manufacturer specification sheet.
Which alternator is fitted to the Kohler 800REOZDE?
The Kohler 800REOZDE uses a Fast-Response PMG alternator. Insulation class Class H.
Parts
32model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 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 |
| A-279714 | Air cleaner assembly (450/500kW HD) | 1 | Air filter | buy |
| GM13224 | Filter, oil | 2 | Oil filter | Amazon eBay $60.00 NAPA $70.06 |
| GM23518 | Hose, hump, 8.00 in. ID | 1 | Hose | buy |
| GM23519 | Hose, 90 deg elbow, 8.00 in. ID | 1 | Hose | buy |
| GM28302 | Hose, straight air, 8.00 in. ID | 1 | Hose | buy |
| GM28399 | Air cleaner assembly | 2 | Air filter | FridayParts $115.63 KuduParts $153.00 |
| GM30405 | Hose, reducer | 1 | Hose | buy |
| GM35176 | Belt, alternator | 1 | Belt | Amazon eBay $25.00 |
| GM35177 | Thermostat | 3 | Thermostat | buy |
| GM35178 | O-ring, thermostat | 3 | Seal | buy |
| GM35810 | Fan belt kit | 1 | Belt | Amazon eBay |
| GM41469 | Filter, fuel | 1 | Fuel filter | Amazon eBay $50.00 |
| GM67194 | Hose, reducer | 1 | Hose | buy |
| GM69932 | Air cleaner assembly | 1 | Air filter | FridayParts $715.40 |
| GM69997 | Element, Primary (Outer) | 1 | Air filter | Amazon eBay $108.80 |
| GM69998 | Element, Secondary (Inner) | 1 | Air filter | Amazon eBay $66.30 |
| GM75569-S | Kit, heavy duty air cleaner | 1 | Air filter | buy |
| X-281-31 | Hose, radiator, straight, 2 in. ID | 1 | Hose | buy |
| X-507-7 | Hose, radiator, straight, 3 in. ID | 1 | Hose | buy |
| X-6359-14 | Hose, rubber | 1 | Hose | buy |
| X-6359-16 | Hose, rubber | 1 | Hose | buy |
| X-6359-7 | Hose, rubber, straight, 0.25 in. ID | 1 | Hose | buy |
| 278788 | Valve, drain, 3/8 in. NPT | 2 | Service part / kit | buy |
| 299892 | Fan, pusher | 1 | Service part / kit | buy |
| GM29834 | Fan, pusher | 1 | Service part / kit | buy |
| GM31749 | Fan, pusher | 1 | Service part / kit | buy |
| GM47607 | Fan, pusher | 1 | Service part / kit | buy |
| GM47608 | Fan, pusher | 1 | Service part / kit | buy |
| GM79193 | Fan, pusher | 1 | Service part / kit | buy |
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 flow & consumption
Maximum fuel flow (supply): 480 L/hr (127 US gph); fuel consumption at full standby load 219.6 L/h (58 gal/h). Fuel hose and pipe are sized for the maximum fuel flow, not the fuel consumption.
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 56.7 | 15.0 |
| Prime | 50% | 101.9 | 26.9 |
| Prime | 75% | 150.6 | 39.8 |
| Prime | 100% | 199.9 | 52.8 |
| Standby | 25% | 60.9 | 16.1 |
| Standby | 50% | 111.9 | 29.6 |
| Standby | 75% | 165.5 | 43.7 |
| Standby | 100% | 219.6 | 58.0 |
Source — fuel flow: Kohler-800REOZDE-spec-sheet; consumption: Kohler-800REOZDE-spec-sheet.
Installation data
Figures an installer sizes exhaust piping and room ventilation from, as printed on the Kohler 800REOZDE data sheet (standby rating where the sheet gives several).
| Maximum exhaust back pressure | 8.5 kPa (2.5 in Hg) |
Source — Kohler-800REOZDE-spec-sheet.
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.