Service parts for the CH940
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
Ratings spec sheet not in our library yet — see the documents below.
Maintenance & consumables
for the Kohler Command PRO Horizontal Shaft| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | weekly and every 150 hours: Check filter minder (if equipped), unhook the two retaining clips on each end and remove the end caps. Perform inspection of the paper element and inlet screen area. | — | 150 hr | ||
| Fuel filter | seasonally or every 150 operating hours, (more frequently under severe conditions) | 25 083 04-S | 300 hr | buy | |
| Oil filter | Oil Filter Removal | 62 690 01 | buy | ||
| Battery | WARNING: Explosive Gas! Batteries produce explosive hydrogen gas while being charged. To prevent a fire or explosion, charge batteries only in well ventilated areas. | — | |||
| Belt | solenoid shift starter disassembled and cleaned every 200 hours, crankshaft splines lubricated every 600 hours | — | 200 hr | ||
| Coolant | check seasonally or every 300 hours, clean cooling areas as necessary | — | 300 hr | ||
| Oil | seasonally or every 150 hours of operation, (more frequently under severe conditions) | — | 150 hr | ||
| Spark plug | replace every 200 hours, check condition and gap seasonally or every 300 hours | — | 200 hr |
Common questions
Which engine powers the Kohler CH940?
The Kohler CH940 is powered by the Kohler Command PRO Horizontal Shaft engine.
What oil filter does the Kohler CH940 use?
The Kohler CH940 uses oil filter part number 62 690 01.
Which fuel filter part number does the Kohler CH940 take?
The Kohler CH940 uses fuel filter part number 25 083 04-S.
Troubleshooting
2Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine troubles that appear to be fuel system related | Fuel tank is not filled with clean, fresh gasoline; fuel tank cap vent is blocked or not operating properly; shut-off valve (if equipped) is closed; in-line fuel filter (if equipped) is dirty or obstructed; fuel lines and fuel pump are restricted or faulty | Check the following areas before adjusting the carburetor: make sure the fuel tank is filled with clean, fresh gasoline; ensure the fuel tank cap vent is not blocked and operating properly; if the fuel tank has a shut-off valve, make sure it is open; if equipped, check that the in-line fuel filter is clean and unobstructed and replace as necessary; verify that fuel is reaching the carburetor by checking for restrictions or faulty components in the fuel lines and fuel pump, and replace as needed |
| No start | Improper fuel, Dirty air filter, Faulty spark plug, Incorrect fuel | Check and clean the air filter, check and replace the spark plug if necessary, ensure correct fuel type is used |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
13| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 25 455 20-S | Hose Removal Tool (Dual Size/End) (Components of EFI Service Kit) | 1 | Hose | buy |
| 25 455 01-S | Ignition System Tester | 1 | Service part / kit | buy |
| 25 455 11-S | Alcohol Content Tester | 1 | Service part / kit | buy |
| 25 455 12-S | Valve Guide Reamer (K and M Series) (Components of Valve Guide Reamer) | 1 | Service part / kit | buy |
| 25 455 22-S | Digital Vacuum/Pressure Tester (Rubber Adapter Plug) | 1 | Service part / kit | buy |
| 25 518 43-S | Jumper Lead Tool (For use with Stepper Motor Controller Tool) | 1 | Service part / kit | buy |
| 25 761 20-S | Rectifier-Regulator Tester (120 volt current) (Components of 25 761 20-S and 25 761 41-S) | 1 | Service part / kit | buy |
| 25 761 39-S | Dealer Tool Kit (Components of 25 761 39-S) | 1 | Service part / kit | buy |
| 25 761 41-S | Rectifier-Regulator Tester (240 volt current) (Components of 25 761 20-S and 25 761 41-S) | 1 | Service part / kit | buy |
| 25 761 46-S | Dual Gauge Cylinder Leakdown Tester (Adapter 12 mm x 14 mm) | 1 | Service part / kit | buy |
| 62 690 01 | Oil Filter Removal | 1 | Service part / kit | buy |
| CH940-CH1000 | Governor Spring | Service part / kit | Amazon eBay $69.95 | |
| CH980 | Engine Identification Label | Service part / kit | Amazon eBay $59.95 |
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.
Available documents
Engine spec — E-2130-E Command Pro 32.5-38HP 10028 (Kohler)Engine spec — REHLKO Gasoline Full line (Kohler)Engine spec — Rehlko Command Pro 32.5–38 (Kohler)Reference — Gasoline Full line (Kohler)Owner's manual — 62 590 19 EN (Kohler)Owner's manual — 62 590 19 FRC (Kohler)Owner's manual — Owners Manual CH940 CH960 CH980 CH1000 (Kohler)Service manual — 62 690 01 (Kohler)Service manual — 62 690 01 EN (Kohler)Service manual — 62 690 06 ESS (Kohler)Service manual — tp2580 (Kohler)