The EH65D is a 2-cylinder engine rated at 3600 rpm. It powers generator sets from Cummins/Onan, including the PX12000. It holds 1.55 L (0.4 gal) of oil.
Also known as: EH65D
| Oil capacity | 1.55 L |
|---|---|
| Cylinders | 2 |
| Rated speed | 3600 rpm |
Compiled from service & troubleshooting documentation across every generator set that uses the EH65D.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine oil | Check | 8 hr | Daily; refill daily to upper level | |
| Generator (clean) and bolts and nuts | Clean | 8 hr | Daily; also check bolts and nuts | |
| Engine oil | Change | 20 hr | First service — Initial change after first 20 hours; thereafter every 100 hours per schedule Note 1 (HOW-TO Maintenance section states every 50 hours) | |
| Engine oil filter | Replace | 20 hr | First service — Initial replacement after 20 hours; thereafter every 200 hours | |
| Air cleaner | Clean | 50 hr | Clean or replace urethane foam and paper element every 50 hours (more often in dusty environments) | |
| Spark arrester | Clean | 100 hr | Clean spark arrester every 100 hours | |
| Air cleaner element | Replace | 200 hr | 12 mo | Replace element set every 200 hours or once a year |
| Carbon brushes | Replace | 500 hr | Check and replace carbon brushes; check every 500 hours or if generator performance is irregular | |
| Fuel lines | Replace | 1000 hr | 12 mo | Yearly (also every 1,000 hours per HOW-TO Maintenance) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Clearance | Brush usable length | 5 to 15 | mm | usable; replace if shorter than 5 mm |
| Clearance | Carbon brush wear limit | 5 mm (0.2 in.) | mm | replace brush if 5 mm (0.2 in.) long or less |
| Gap | Spark plug electrode gap | 0.03 in. (0.7-0.8 mm) | ||
| Pressure | Oil pressure switch actuation | 1.0 | kg/cm2 | engine oil pressure drops to |
| Pressure | Relief valve opening | 3.0 | kg/cm2 | begins to open when pressure increases above |
| Resistance | A.V.R. inter-lead resistance Black to Brown/Yellow | 300 | kΩ | analogue circuit tester; black - on Black, red + on Brown/Yellow |
| Resistance | A.V.R. inter-lead resistance Black to White | 200 | kΩ | analogue circuit tester; black - on Black, red + on White |
| Resistance | A.V.R. inter-lead resistance Brown/Yellow to Black | 250 | kΩ | analogue circuit tester; black - on Brown/Yellow, red + on Black |
| Resistance | A.V.R. inter-lead resistance Brown/Yellow to White | 100 | kΩ | analogue circuit tester; black - on Brown/Yellow, red + on White |
| Resistance | A.V.R. inter-lead resistance Light green to Black | 350 | kΩ | analogue circuit tester; black - on Light green, red + on Black |
| Resistance | A.V.R. inter-lead resistance Light green to Brown/Yellow | 14 | kΩ | analogue circuit tester; black - on Light green, red + on Brown/Yellow |
| Resistance | A.V.R. inter-lead resistance Light green to White | 125 | kΩ | analogue circuit tester; black - on Light green, red + on White |
| Resistance | A.V.R. inter-lead resistance Light green to Yellow | 16 | kΩ | analogue circuit tester; black - on Light green, red + on Yellow |
| Resistance | A.V.R. inter-lead resistance White to Black | 60 | kΩ | analogue circuit tester; black - on White, red + on Black |
| Resistance | A.V.R. inter-lead resistance White to Brown/Yellow | 100 | kΩ | analogue circuit tester; black - on White, red + on Brown/Yellow |
| Resistance | Brush holder resistance across brushes and terminals | 5 to 7.5 | Ω | after installing brush holders |
| Resistance | ECU resistance between terminals 1 and 2 | 2.00 | Ω | |
| Resistance | ECU resistance between terminals 1 and 3 | 2.00 | Ω | |
| Resistance | ECU resistance between terminals 2 and 3 | 0.009 | Ω | |
| Resistance | Exciting coil resistance | 2.35 | Ω | between two yellow wires |
| Resistance | Insulation resistance | 1 | MΩ | normal if 1MΩ or more |
| Resistance | Rotor slip ring resistance | 4.11 | Ω | between slip rings |
| Resistance | Rotor slip ring resistance | 69.6 | Ω | between slip rings |
| Resistance | Stator coil Black-Blue | 0.11 | Ω | RGV13100 60/120/240 |
| Resistance | Stator coil Black-Red | 0.23 | Ω | RGV13100T 60/120/208 |
| Resistance | Stator coil Black-White | 0.23 | Ω | RGV13100T 60/120/208 |
| Resistance | Stator coil Red-White | 0.11 | Ω | RGV13100 60/120/240 |
| Resistance | Stator coil Red-White | 0.23 | Ω | RGV13100T 60/120/208 |
| Resistance | Stator coil White-Light green | 0.37 | Ω | RGV13100 60/120/240 |
| Speed | Engine overspeed shutdown | 4,500 | r/min | for 7 seconds |
| Speed | Engine speed for exciting coil AC voltage check | 3600-3800 | rpm | no load |
| Speed | Nominal engine speed at no load | 3,700 to 3,750 | rpm | no load |
| Speed | Starter motor cutoff speed | 1,050 | r/min | when engine starts and reaches |
| Torque | Front cover/cover bolt tightening torque | 11.8-13.7 | N m | |
| Torque | Front cover/cover bolt tightening torque | 120-140 | kg cm | |
| Torque | Front cover/cover bolt tightening torque | 8.7-10.1 | ft lbs | |
| Torque | Rotor through bolt tightening torque | 16.6-19.5 | ft lbs | |
| Torque | Rotor through bolt tightening torque | 22.5-24.5 | N m | |
| Torque | Rotor through bolt tightening torque | 230-250 | kg cm | |
| Torque | Spark plug tightening torque | 25 to 30 Nm (19 to 22 lbs/ft) | ||
| Torque | Wheel mounting bolt tightening torque | 20 to 25 Nm (19 to 22 lbs/ft) | ||
| Valve clearance | Valve clearance (intake & exhaust) | 0.0039±0.0008 in. (0.1±0.02 mm) | engine cold | |
| Voltage | AC output voltage range at rated amperage | 112V-128V | V | PX12000 120V rated |
| Voltage | AC output voltage range at rated amperage | 218V-249V | V | RGV13100T 208V rated |
| Voltage | AC output voltage range at rated amperage | 224V-256V | V | PX12000 240V rated |
| Voltage | Exciting coil AC voltage | 35 to 45 | V | at no load, 3600-3800 rpm |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | SAE 10W-30 or 10W-40 (multigrade); single grade 5W, 10W, 20W, #20, #30, #40 per ambient temperature | 4-stroke automotive detergent oil, API service class SE or higher (SG, SH or SJ recommended) | 1.55 liters | Oil capacity 1.55 liters (upper level) = 1.6 quarts | |
| Fuel | Unleaded automobile gasoline (RON87 or higher) | 44.0 liters | Fuel tank capacity. | ||
| Fuel | Unleaded automotive gasoline, minimum octane rating RON87 or higher | 44.0 liters | Fuel tank capacity 44 liters; engine is certified to operate on automotive unleaded gasoline |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
⚠ If the RESET button pops out during operation, stop the generator immediately and call a qualified electrician.
⚠ Do not touch output terminals while the generator is running.
⚠ Disconnect battery cables when charging battery.
⚠ Turn the starter switch to the STOP position when mounting or dismounting battery.
⚠ Connect positive (+) terminal first when mounting, disconnect negative (-) terminal first when dismounting.
⚠ All connections must be made by a licensed electrician.
⚠ Failure in connection may result in death, personal injury, damage, or fire.
⚠ All connections must be made by a licensed electrician.
⚠ Failure in connection may result in death, personal injury, damage to generator, damage to appliances, damage to building's wiring or fire.
⚠ Do not connect the generator to a commercial power line.
Tools: Hoist or square bar (4 in by 4 in, length 27.6 in), Plier, Spanner or socket wrench (12mm), 2 units
⚠ Gasoline is flammable; do not smoke or use open flame.
Tools: supplied plug wrench and handle
⚠ Check for a suitable way to dispose of old oil; do not pour into sewage drains, garden soil or open streams.
⚠ Pay attention to spilled hot engine oil when replacing the engine oil filter.
Tools: wrench
⚠ NEVER USE WATER TO CLEAN GENERATOR.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 120V | 1 | Insert plug into W and X, W and Y, or W and Z | W, X, Y, Z | RGV13100T single-phase application; maximum one-third of generator output per phase; generator rated output 3324VA (120V x 27.7A) |
| 208V | 3 | Insert plug into receptacles X, Y, and Z | X, Y, Z | RGV13100T three-phase application; generator rated output 10000VA |
| 240V | Single-phase | 4P receptacle (X)(Y)(G)(W) for connection to house wiring via transfer switch | X, Y, W, G | Generator is neutral grounded type; use transfer switch between meter and fuse or AC breaker box |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The EH65D engine has an oil capacity of 1.55 liters.
The EH65D powers 1 generator set(s), including Cummins/Onan PX12000.
A commonly reported issue on generators using the EH65D is: No AC output. Cause: Exciting coil insulation NG (PX12000). Fix: Replace exciting coil with new one.