Service parts for the 30 RZ
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredHydraulic system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 30 kW |
| Standby kVA | 38 |
| Prime power | 27 kW |
| Oil capacity | 6.0 L |
| Alternator | 4P5 |
| Voltage options | 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V, 347/600 V |
| Phase | 3 |
| Rated current | 90 A |
| Power factor | 0.8 |
| Coolant capacity | 20.1 L |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 2242×737×1059 mm |
Engine
| Oil capacity | 6.0 L |
|---|---|
| Coolant capacity | 15.0 L |
| Displacement | 300.0 L |
| Aspiration | Natural Aspiration |
| Rated speed | 2600 rpm |
Maintenance & consumables
for the Ford CSG-649| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element, air cleaner | 254471 | Amazon eBay $54.34 | ||
| Fuel filter | Secondary | 254471 | Amazon eBay $54.34 | ||
| Battery | BCI Group 31 - 950 CCA (after 6-15-88) | — | |||
| Coolant | 50% ethylene glycol and 50% clean, softened water | 28.8 L | — | ||
| Hydraulic filter | 100 Mesh (141 Micron), 200 sq. in., reusable wire filter element, Marvel #881 | 0-501-01010 | 250 hr | buy | |
| Oil | EO - per manufacturer recommendation | — |
Common questions
What is the power rating of the Kohler 30 RZ?
The Kohler 30 RZ is rated 30 kW standby (38.0 kVA).
What engine does the Kohler 30 RZ use?
The Kohler 30 RZ is powered by the Ford CSG-649 engine.
What kind of fuel does the Kohler 30 RZ run on?
The Kohler 30 RZ runs on Gasoline.
How much oil does the Kohler 30 RZ take?
The Ford CSG-649 engine in the Kohler 30 RZ has an oil capacity of 6.0 liters.
What is the coolant capacity of the Kohler 30 RZ?
The Kohler 30 RZ cooling system holds 20.1 liters (5.3 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Kohler 30 RZ?
The Kohler 30 RZ is rated 27 kW prime (34 kVA), against 30 kW standby.
What voltage does the Kohler 30 RZ produce?
The Kohler 30 RZ is offered in 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V, 3-phase.
What alternator comes on the Kohler 30 RZ?
The Kohler 30 RZ uses a 4P5 alternator.
What fuel filter fits the Kohler 30 RZ?
The Kohler 30 RZ uses fuel filter part number 254471.
What air filter does the Kohler 30 RZ use?
The Kohler 30 RZ uses air filter part number 254471.
Parts
45| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 226881 | Radiator outlet tube kit | 1 | Hose | eBay |
| 240976 | Switch, high temperature 268298 Sender, temperature | 1 | Sensor | Amazon eBay |
| 254471 | Element, air cleaner | 1 | Air filter | Amazon eBay $54.34 |
| 255264 | Switch, low water temperature | 1 | Sensor | Amazon eBay |
| 258276 | Spark Plugs | 4 | Spark plug | Amazon eBay |
| 271425 | Switch, anticipatory low oil pressure | 1 | Sensor | Amazon eBay $100.79 NAPA $182.69 |
| 276206 | Hose, molded | 1 | Hose | Amazon eBay |
| 3-333-10040 | BMC No. 3-333-10040 (Cummins) | 1 | Pump drive | buy |
| 3-333-10070 | BMC No. 3-333-10070 (Cummins) | 1 | Pump drive | buy |
| 501-01010 | BMC No. 0-501-01010 | 1 | Suction strainer | buy |
| 501-01018 | BMC No. 0-501-01018 | 1 | Return line filter | buy |
| 520-00021 | BMC No. 0-520-00021 | 1 | Pump | buy |
| 540-10034 | BMC No. 3-540-10034 | 1 | Outrigger cylinders | buy |
| 540-40043 | BMC No. 3-540-40043; Tip Section - 3-540-40044 | 1 | Boom extension cylinder | buy |
| 540-40047 | BMC No. 3-540-40047; Tip Section - 3-540-40038 | 1 | Boom extension cylinder | buy |
| 540-80025 | BMC No. 3-540-80025 | 1 | Boom elevating cylinder | buy |
| 550-00075 | BMC No. 0-550-00075 | 1 | Winch and extension control valve | buy |
| 550-00080 | BMC No. 0-550-00080 (Standard 4-spool) | 1 | Boom and outrigger control valve | buy |
| 550-00081 | BMC No. 0-550-00081 (Optional 5-spool - Req'd w/opt. Front Winch) | 1 | Boom and outrigger control valve | buy |
| 552-00013 | BMC No. 0-552-00013 | 1 | Outrigger cylinder holding valve | buy |
| 552-00041 | BMC No. 0-552-00041 | 1 | Boom elevation cylinder holding valve | buy |
| X-577-41 | Hose | 1 | Hose | Amazon eBay |
| X-797-2 | Hose, flex | 1 | Hose | Amazon eBay |
| 0-861-16012 | BMC No. 0-861-16012 | 1 | Service part / kit | buy |
| 2-651-00060 | WARNING NEVER USE A ROPE CLIP ON LIVE SIDE OF THE LOAD HOIST ROPE. THIS WILL SERIOUSLY WEAKEN THE ROPE. DEATH OR SERIOUS INJURY CAN RESULT FROM THE USE OF A ROPE CLIP ON THE HOIST ROPE. | Service part / kit | buy | |
| 276370 | Engine Block Heater Service Kit Tank Type 30RZ 120V | 1 | Service part / kit | Amazon eBay |
| 276371 | Engine Block Heater Service Kit Tank Type 30RZ 240V | 1 | Service part / kit | Amazon eBay |
| 285127 | Silencer Industrial I-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 285775 | Silencer Residential R-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 286788 | Silencer Critical C-BM (Table 1) | 1 | Service part / kit | Amazon eBay $129.99 |
| 290483 | Silencer Residential R-BM (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290484 | Silencer Residential R-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290495 | Silencer Critical C-M (Table 1) | 1 | Service part / kit | Amazon eBay |
| 290496 | Silencer Critical C-N (Table 1) | 1 | Service part / kit | Amazon eBay |
| 326222 | Block Heater | 1 | Service part / kit | Amazon eBay |
| 326224 | Block Heater | 1 | Service part / kit | Amazon eBay |
| 326230 | Installed Block Heater Kit (120V) | Service part / kit | Amazon eBay | |
| 326231 | Installed Block Heater Kit (240V) | Service part / kit | Amazon eBay | |
| 343160 | Switch, high water temperature | 1 | Service part / kit | Amazon eBay |
| 345207 | Switch, vacuum | 1 | Service part / kit | Amazon eBay |
| 9-340-00030 | Shim - .040" - Gresen #0458-001 | Service part / kit | buy | |
| 9-340-00031 | Shim - .020" - Gresen #0459-001 | Service part / kit | buy | |
| 9-340-00032 | Shim - .010" - Gresen #0462-001 | Service part / kit | buy | |
| 9-340-00070 | Work Port Relief Valve-Gresen #7460-002-PS-1500-C | Service part / kit | buy | |
| A-258495 | LP Gas Mixer | 1 | 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 | 25% | 7.57 | 2.0 |
| Prime | 50% | 9.84 | 2.6 |
| Prime | 75% | 11.73 | 3.1 |
| Prime | 100% | 14.76 | 3.9 |
Available documents
This page was generated from the 9 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.
