Service parts for the 350RZX
Grouped by system, with how many of each the parts manual calls for.
Electrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 350 kW |
| Standby kVA | 438 |
| Prime power | 300 kW |
| Controller | APM603, Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 35.0 L |
| Alternator | 4M4019 (4-pole, Class Class H insulation) |
| Voltage options | 120 V, 208 V, 127 V, 220 V, 240 V, 139 V, 380 V, 416 V, 277 V, 480 V |
| Phase | 3 |
| Rated current | 1233 A |
| Power factor | 0.8 |
| Circuit breaker | 1233 A |
| Battery cranking | 925 CCA |
| Battery quantity | 2 |
Engine
| Oil capacity | 35.0 L |
|---|---|
| Coolant capacity | 42.0 L |
| Displacement | 18.273 L |
| Aspiration | Turbocharged, Charge Air-Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the PSI/Doosan D183L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | — | |||
| Fuel filter | N/A | — | |||
| Oil filter | ×2 | — | |||
| Battery | N/A | 324586 | Amazon $16.34 eBay | ||
| Belt | N/A | — | 24 hr | ||
| Coolant | Water-Cooled | — | |||
| Oil | Full Pressure | — | |||
| Spark plug | N/A | — |
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 is the power rating of the Kohler 350RZX?
The Kohler 350RZX is rated 350 kW standby (438.0 kVA).
What engine does the Kohler 350RZX use?
The Kohler 350RZX is powered by the PSI/Doosan D183L engine.
What kind of fuel does the Kohler 350RZX run on?
The Kohler 350RZX runs on Gas.
What is the oil capacity of the Kohler 350RZX?
The PSI/Doosan D183L engine in the Kohler 350RZX has an oil capacity of 35.0 liters.
What alternator comes on the Kohler 350RZX?
The Kohler 350RZX uses a 4M4019 alternator. It has 4 poles. Insulation class Class H.
Available documents
Spec sheet (Kohler)Spec sheet — 350Spec (Kohler)Spec sheet — g4301 (Kohler)Reference (Kohler)Reference — 180-450REZX G6109 (Kohler)Reference — 300-500REZX G6178 (Kohler)Reference — G6-39 0918AZ (Kohler)Reference — Kohler-Gas Generators Brochure (Kohler)Parts manual — tp6706 (Kohler)Service manual — TP-6832 1218G (Kohler)