Specifications
| Fuel | Natural Gas, Propane Vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 35 kW |
| Standby kVA | 44 |
| Prime power | 32 kW |
| Emissions | EPA Certified |
| Controller | Digital H Control Panel- Dual 4x20 Display |
| Oil capacity | 5.7 L |
| Alternator | 390 mm (4-pole, Class H insulation) |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 346/600 V |
| Phase | Three-Phase |
| Rated current | 146 A |
| Power factor | 0.8 |
| Circuit breaker | 146 A |
| Battery group | See Battery Index 0161970SBY |
| Battery voltage | 12 VDC V |
| Battery quantity | 1 |
| Coolant capacity | 11.36 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 1930×950×1176 mm |
| Dry weight | 997 kg |
| Tank runtime | N/A hr |
Engine
| Oil capacity | 5.7 L |
|---|---|
| Coolant capacity | 11.36 L |
| Displacement | 5.4 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Generac 5.4L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Full-Flow Spin-On Cartridge | — | |||
| Battery | See Battery Index 0161970SBY | — | |||
| Coolant | 50/50 Ethylene Glycol Antifreeze | 11.36 L | — | ||
| Oil | 5.7 L | — |
Service intervals
1| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Generator set | Inspect | 100 hr | 12 mo | First service — Level 4 mid-level inspection; annually or following each 100 hours of operation; approx. 5.0 man-hours; authorized Generac Service Dealer only; add 20% to all times for 8 cylinder or larger engines |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
6| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Frequency Regulation (Steady State) | ±0.25% | ||
| Pressure | Maximum Exhaust Backpressure | 1.5 | inHg | |
| Pressure | Maximum Radiator Backpressure | 0.5 | in H2O | |
| Speed | Rated Engine Speed | 1,800 | rpm | |
| Temperature | Max. Operating Ambient Temperature | 122 | °F | |
| Voltage | Regulation Accuracy (Steady State) | ±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 |
|---|---|---|---|---|---|
| Coolant | 50/50 Ethylene Glycol Antifreeze | 11.36 L | Pressurized Closed Recovery cooling system type | ||
| Coolant | Half low silicate, ethylene glycol base antifreeze and half soft water (50-50) | 17.0 L | Cooling System SG035/045/075 = 17 L (4.5 U.S. gals.); do not use chromate base rust inhibitor or high silicate antifreeze boosters | ||
| Engine oil | SAE 10W or 15W-40 | For Service CC, SD, SE or SF | below 0°C | 4.25 L | Below 32 F (0 C) |
| Engine oil | SAE 20W-20 or 15W-40 | For Service CC, SD, SE or SF | -1°C to 27°C | 4.25 L | 30 to 80 F (-1 to 27 C) |
| Engine oil | SAE 30W or 15W-40 | For Service CC, SD, SE or SF | above 27°C | 4.25 L | Above 80 F (27 C) |
| Fuel | Natural Gas, Propane Vapor | Operating Fuel Pressure 8 - 14 in H2O (2.0 - 3.5 kPa); Secondary Fuel Regulator Standard |
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 Generac SG035?
The Generac SG035 is rated 35 kW standby (44.0 kVA).
What engine is in the Generac SG035?
The Generac SG035 is powered by the Generac 5.4L engine.
What fuel type does the Generac SG035 take?
The Generac SG035 runs on Natural Gas, Propane Vapor.
How much oil does the Generac SG035 take?
The Generac 5.4L engine in the Generac SG035 has an oil capacity of 5.7 liters.
How much coolant does the Generac SG035 hold?
The Generac SG035 cooling system holds 11.36 liters (3.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Generac SG035?
The Generac SG035 is rated 32 kW prime (39 kVA), against 35 kW standby.
What is the dry weight of the Generac SG035?
The Generac SG035 has a dry weight of 997 kg (2198 lb).
What voltage does the Generac SG035 produce?
The Generac SG035 is offered in 120/240 V, 120/208 V, 277/480 V, 346/600 V, Three-Phase-phase.
What battery does the Generac SG035 use?
The Generac SG035 uses 1 battery, 12 VDC V each, group See Battery Index 0161970SBY, per the manufacturer specification sheet.
Which alternator is fitted to the Generac SG035?
The Generac SG035 uses a 390 mm alternator. It has 4 poles. Insulation class H.
Troubleshooting
7Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| H01 | Low Coolant Level | Add coolant to the proper level. |
| H02 | High Coolant Temperature | Reduce load or allow engine to cool. |
| H03 | Low Engine Oil Pressure | Check and add oil if necessary, or replace oil filter. |
| H04 | Overspeed Shutdown | Reduce load immediately to prevent engine damage. |
| H05 | Overcrank Shutdown | Check fuel system and ignition components. |
| H06 | RPM Sensor Loss Shutdown | Check RPM sensor connections and replace if necessary. |
| H07 | Low Fuel Pressure Warning | Check fuel system for leaks or blockages. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
47model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 035606 | SENSOR HI COOLANT SHUTDOWN | 1 | Sensor | Amazon eBay |
| 053666 | SENDER OIL PRESSURE | 1 | Sensor | eBay |
| 053667 | SENDER WATER TEMP | 1 | Sensor | eBay |
| 057448 | HOSE 5/8 ID TYPE 3 SINGLE (12") | 1 | Hose | eBay |
| 057522 | SENSOR COOLANT LEVEL | 1 | Sensor | Amazon eBay |
| 059056A | STARTER | 1 | Starter | eBay $234.00 |
| 059057 | HOSE 3/4 ID SAE-30R2 | 1 | Hose | Amazon eBay |
| 0758720149 | SEAL, CR/SHAFT RR OIL (1996) | 1 | Seal | eBay |
| 0758720177 | GASKET, WATER PUMP | 2 | Gasket | eBay |
| 0758720225 | GASKET, DISTR | 1 | Gasket | Amazon eBay |
| 075885 | THERMOSTAT 195 DEG | 1 | Thermostat | Amazon eBay |
| 0A1232 | D.C. ALTERNATOR ASSY | 1 | Alternator | Amazon eBay |
| 0A2440 | GASKET THERMOSTAT | 1 | Gasket | eBay |
| 0A37970001 | FILTER OIL | 1 | Oil filter | Amazon eBay $16.00 NAPA $9.09 |
| 0A37970120 | PUMP KIT, WATER | 1 | Pump | Amazon eBay |
| 0A37970122 | PUMP, OIL | 1 | Pump | eBay |
| 0A37970127 | SEAL, CR/SHAFT RR OIL (1997-98) | 1 | Seal | eBay |
| 0A37970137 | GASKET, OIL PAN | 1 | Gasket | Amazon eBay |
| 0A37970142 | SEAL, CR/SHF FRT OIL | 1 | Seal | eBay |
| 0A37970164 | GASKET KIT, INT MANIF (INCLS GASKETS & INST SH) | 1 | Gasket | eBay |
| 0A37970168 | GASKET, VLV RKR ARM CVR | 2 | Gasket | eBay |
| 0A37970172 | SPARK PLUG | 6 | Spark plug | Amazon eBay $38.54 |
| 0A37970177 | GASKET, CYL HD | 2 | Gasket | eBay |
| 0A37970180 | SEAL, INT VLV STEM OIL | 6 | Seal | eBay |
| 0A37970208 | SEAL, CR/SHAFT RR OIL (1999-2001) | 1 | Seal | eBay |
| 0A37970213 | GASKET, CR/SHF RR OIL SEAL HSG | 1 | Gasket | eBay |
| 0A37970217 | SEAL, OIL PAN DRN PLUG | 1 | Seal | Amazon eBay |
| 0A37970219 | GASKET, W/PMP CVR | 1 | Gasket | Amazon eBay |
| 0A37970228 | SEAL, EXH VLV STEM OIL | 6 | Seal | eBay |
| 0A37970237 | HOSE, W/PMP INL | 1 | Hose | eBay |
| 0A37970239 | GASKET KIT, CYL HEAD | 1 | Gasket | eBay |
| 0A4085 | GASKET EXHAUST MANIFOLD | 1 | Gasket | eBay |
| 0A4277 | WIRES SPARK PLUG 4.3L | 1 | Spark plug | eBay |
| 0A4278A | BELT SERPENTNE 72.5" | 1 | Belt | eBay |
| 0A4278B | SERPENTINE BELT 72-1/2 | 1 | Belt | eBay |
| 0A4637 | Air Cleaner | 1 | Air filter | Amazon eBay $49.95 NAPA $13.61 |
| 0A5264 | V-BELT 3/8 X 41 | 1 | Belt | eBay |
| 0A8584 | Switch | 1 | Sensor | Amazon eBay $19.57 FridayParts $31.60 |
| 0A37970191 | COIL, DISTR PICK UP (DISTRIBUTOR PICK UP COIL) | 1 | Service part / kit | eBay |
| 0A37970193 | Distributor Ignition Module (4.3 Liter Gas) | 1 | Service part / kit | eBay |
| 0A37970195 | Distributor Rotor (4.3 Liter Gas) | 1 | Service part / kit | eBay |
| 0A37970198 | COIL, IGN | 1 | Service part / kit | Amazon eBay |
| 0A37970201 | CAP, DISTR (DISTRIBUTOR CAP) | 1 | Service part / kit | eBay |
| 0A37970222 | GEAR KIT, BALR SHF (1997-2001) (INCLS DRIVE & DRIVEN GRS, ITEMS 89 & 95) | 1 | Service part / kit | eBay |
| 0A37970223 | CHAIN KIT, TMG (1999-2001) (INCLS CHAIN, CR/SHF SPROCKET, CM/SHF SPROCKET) | 1 | Service part / kit | eBay |
| 0A4215 | DIP STICK 4.3L GM | 1 | Service part / kit | eBay |
| 0A4244 | CONNECTOR COIL TO DISTRIBUTOR | 1 | Service part / kit | Amazon eBay |
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 consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | 239.0 | 6.8 |
| Standby | 50% | 409.0 | 11.6 |
| Standby | 75% | 553.0 | 15.7 |
| Standby | 100% | 682.0 | 19.3 |
Available documents
This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.
