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Generac MLT4060KVLED Generator Set

The Generac MLT4060KVLED is a 6 kW Diesel standby generator set powered by a Kubota D1005 engine. It is available at 120/240 V, single-phase, 60 Hz and rated 20 A. It holds about 5.1 L (1.3 gal) of oil and 3.78 L (1.0 gal) of coolant, with a maximum ambient rating of 49 °C. Starting uses 1 battery rated 440 CCA at 12 V. The set measures 2870×2600×7520 mm (113.0×102.4×296.1 in), weighs about 943 kg (2079 lb) and produces 68 dBA at 7 m. An integrated tank holds 213.5 L (56.4 gal), roughly 187 hours of runtime. The same D1005 engine also powers generator sets from Cummins/Onan and Simson-Maxwell.

6 kW
Standby
1.001 L
Displacement
5.1 L
Oil capacity
2
Document types

How to read your Generac serial & model number →

Typical fuel consumption for 5–10 kW Diesel generators →

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Service parts for the MLT4060KVLED

Grouped by system, with how many of each the parts manual calls for.

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power6 kW
EmissionsTier 4 Final
ControllerAnalog controls, Power Zone Plus
Oil capacity5.1 L
AlternatorMarathon 201CSA5411 (Class F insulation)
Voltage options120/240 V
Phase1
Rated current20 A
Circuit breaker30 A
Battery cranking440 CCA
Battery voltage12 V
Battery quantity1
Max ambient49 °C
Dimensions (L×W×H)2870×2600×7520 mm
Dry weight943 kg
Wet weight1126 kg
Sound level68.0 dBA @ 7 m
Fuel tank213.5 L
Tank runtime187 hr

Engine

Kubota D1005
Oil capacity4.25 L
Coolant capacity3.78 L
Displacement1.001 L
AspirationDiesel
Rated speed1800 rpm

Filters for the Kubota D1005

4

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP550162Lube Filter, Spin-On Full FlowKUBOTA 1524132040, KUBOTA 1542132090, NAPA 1301, NAPA 1334 FridayParts $10.50
Oil filterP550227Lube Filter, Spin-On Full FlowKUBOTA 1521332430, KUBOTA 6602136060, LPM 00013505345, WALGAHN-MOTORENTECHN 00811292 KuduParts $18.00 FridayParts $20.25

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Fuel filterP550012Fuel Filter, In-LineKUBOTA 1258143010, KUBOTA 1258143011, BALDWIN BF840-K1, RENAULT VI 0005490862 KuduParts $13.00 FridayParts $15.50
Fuel / water separatorP551039Fuel Filter, Water Separator Spin-On Twist&DrainNAPA 3192, BALDWIN BF1257, CLUB CAR 102614001, CLUB CAR 102703401 FridayParts $25.40 KuduParts $97.00

Same engine, other brands

2 brands

The Kubota D1005 in this set also powers 2 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Cummins/OnanMDKAL
Simson-MaxwellSKW8 T6-T4

Maintenance & consumables

for the Kubota D1005
ItemSpecCapacityPart #Interval
Air filter—
Fuel filterLubricate new element and its gasket, fill element with clean diesel fuel, spin on and hand tighten. DO NOT OVERTIGHTEN. Drain about 1/4 cup (60 ml) of fuel/sediment from drain plug at recommended interval.—500 hr
Oil filter76650254301000 hr Amazon eBay $22.12 PartsGeek $7.98 NAPA $13.30
BatterySealed maintenance-free battery preferred for marine application; minimum cranking performance 360 CCA at 0 F (-18 C); nominal 12 volts. Maintain electrolyte to split-level marker with distilled water; charge if specific gravity below 1.215; stop charging at 1.260 at approximately 80 F (27 C).—100 hr
BeltTension correct when finger pressure of 22 pounds (10 kg) at middle of belt deflects it about 0.4 inch (10 mm). Do not overtighten.—800 hr
Coolant50/50 mixture of ethylene glycol anti-freeze and water; must contain rust and corrosion inhibitor and no stop-leak additive; use clean, low-mineral, distilled or soft water. Do not deviate from 50/50 mixture. Drain, flush and refill once a year.3.78 l—800 hr
Coolant filter—
OilAPI classification CG-4, CF-4, CD/SG or CE/SG; viscosity per Table 1 (oil viscosity vs. temperature). Do not use synthetic or non-detergent oil. Check level before each start; do not operate below ADD or above FULL mark.4.25 l—100 hr
Spark plug—

Compatible filters for the Kubota D1005 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Kubota K318182240 Kubota K318182250 Donaldson P778979 Donaldson P780018 Wix 49978

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Coolant50% glycol, 50% waterbelow 49°CStandard mixture; 60/40 and heated options available for cold weather
Coolant50% glycol, 50% water or 60% glycol, 40% waterbelow 49°CLiquid cooled engines with standard 50/50 mixture or optional cold-weather 60/40 configuration
Coolant50/50 glycol/water or 60/40below 49°CLiquid cooled diesel engines

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

1
RPM Quick Drain maintenance

Tools: RPM Quick Drain system hardware

  1. Convenient - no need to reach under machines
  2. Purges and extracts from the sump
  3. Evacuates sump directly to final containment via zero leak quick disconnect
  4. No spills, dripping filters, drain pans or intermediate containers needed
  5. Completes engine oil and filter change in less than 10 minutes

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 MLT4060KVLED?

The Generac MLT4060KVLED is rated 6 kW standby.

What engine is in the Generac MLT4060KVLED?

The Generac MLT4060KVLED is powered by the Kubota D1005 engine.

What fuel does the Generac MLT4060KVLED use?

The Generac MLT4060KVLED runs on Diesel.

What is the oil capacity of the Generac MLT4060KVLED?

The Kubota D1005 engine in the Generac MLT4060KVLED has an oil capacity of 4.25 liters.

What is the cooling system capacity of the Generac MLT4060KVLED?

The Generac MLT4060KVLED cooling system holds 3.78 liters (1.0 US gallons) for the engine, per the manufacturer specification sheet.

What is the sound level of the Generac MLT4060KVLED?

The Generac MLT4060KVLED is rated at 68.0 dBA at 7 m, per the manufacturer specification sheet.

How much does the Generac MLT4060KVLED weigh?

The Generac MLT4060KVLED has a dry weight of 943 kg (2078 lb).

What size fuel tank does the Generac MLT4060KVLED have?

The Generac MLT4060KVLED has a 213.5 liter (56 US gallon) fuel tank, giving about 187 hours of runtime.

What voltages is the Generac MLT4060KVLED available in?

The Generac MLT4060KVLED is offered in 120/240 V, 1-phase.

What battery does the Generac MLT4060KVLED use?

The Generac MLT4060KVLED uses 1 battery, 12 V each, 440 CCA, per the manufacturer specification sheet.

What alternator does the Generac MLT4060KVLED use?

The Generac MLT4060KVLED uses a Marathon 201CSA5411 alternator. Insulation class F.

Which oil filter part number does the Generac MLT4060KVLED take?

The Generac MLT4060KVLED uses oil filter part number 7665025430.

Which air filter part number does the Generac MLT4060KVLED take?

The Generac MLT4060KVLED uses air filter part numbers KUBOTA K318182240, KUBOTA K318182250.

Repair guides

1

Step-by-step procedures compiled from the Generac service manual for this model.

Parts

106
Part #DescriptionQtySystem
132-0358Pump, Water1Pump eBay FridayParts $245.00
132-0361Seal, Lip1Seal eBay
132-0366Seal, Mechanical1Seal eBay
132-0369Seat, Seal1Seal eBay
132-0372O'Ring2Seal eBay
132-0375Impeller1Impeller Amazon eBay FridayParts $26.00
132-0379Kit, Minor Service (Includes Parts Marked *)1Impeller Amazon eBay $29.95
149-1908-05Separator, Fuel/Water1Fuel filter Amazon eBay
149-1914-01Element (Includes Seals)1Fuel filter Amazon eBay FridayParts $42.99
149-1953Drain Assy (Includes Knob and Seal)1Seal Amazon eBay
149-2045O-Ring Kit (Includes Seal and Plunger)1Seal Amazon eBay
149-2047Pump Assy (Includes Plunger, Retainer, Shaft, Check Ball, Knob and Screw)1Pump Amazon eBay
149-2100Filter Assembly, Fuel Element. Filter1Fuel filter Amazon eBay
149-2106Element1Fuel filter Amazon eBay $34.99 NAPA $61.61 KuduParts $68.00
149-2331-01Pump, Fuel (E5)1Pump Amazon eBay $85.00 FridayParts $87.50
155-3216Kit, Water Separator1Fuel filter eBay
185-2284Gasket2Gasket Amazon eBay
185-5337Gasket2Gasket Amazon eBay
185-5421Plug, Glow2Glow plug Amazon eBay $35.00
185-5458Thermostat1Thermostat Amazon eBay
185-5641Gasket, Delivery Valve2Gasket Amazon eBay
185-5643O'Ring2Seal Amazon eBay
185-5714Seal Assy, Mechanical1Seal Amazon eBay
185-5782Holder Assy, Brush (Includes Brushes and Springs)1Brush eBay
185-5783Brush2Brush eBay
185-5784Spring, Brush2Brush eBay
185-5791Regulator1Avr eBay
185-5835Filter, Oil1Oil filter Amazon eBay $21.78 NAPA $3.59 FridayParts $20.19
185-5985Seal, Heat3Seal Amazon eBay
185-6004Gasket, Thermostat1Gasket Amazon eBay
185-6005Thermostat1Thermostat Amazon eBay
185-6510Seal, Oil1Seal Amazon eBay
185-6579Gasket, Water Pump1Gasket Amazon eBay $24.69
185-6580Gasket, Hole Cover1Gasket Amazon eBay
185-6603Gasket1Gasket Amazon eBay
185-6671Pump Assy, Water (Includes Parts Marked *)1Pump Amazon eBay $145.00 FridayParts $42.60
185-6674Impeller, Water Pump1Impeller Amazon eBay
185-6676Gasket, Water Pump1Gasket eBay
185-6684Seal, Valve Stem6Seal eBay
185-6740Holder Assy, Nozzle3Injector Amazon eBay
185-6820Regulator1Avr eBay
185-6853Gasket1Gasket eBay
185-6862Gasket, Cylinder Head1Gasket eBay
185-6863Gasket, Gearcase1Gasket Amazon eBay
185-6864Seal, Oil1Seal Amazon eBay
185-6868Gasket, Cylinder Head Cover1Gasket Amazon eBay
185-6869Gasket, Bearing Case1Gasket eBay
185-6871Gasket, Bearing Case Cover1Gasket eBay
185-6884Plunger, Pump3Pump Amazon eBay
185-6894Gasket1Gasket Amazon eBay
185-6922Gasket, Water Flange1Gasket Amazon eBay
185-6925Gasket, Exhaust Manifold1Gasket eBay
185-6926Gasket1Gasket eBay
185-6934Belt, Fan (37.5")1Belt Amazon eBay $70.52
185-710724V Glow Plugs3Glow plug Amazon eBay
185-7214Gasket, Oil Pan1Gasket eBay
185-7242Gasket Thermostat1Gasket Amazon eBay
185-7268Glow Plug (24 Volt)3Glow plug Amazon eBay
185-7299Gasket, Water Pump1Gasket Amazon eBay
185-7300Seal, Valve Stem6Seal Amazon eBay
185-7373Gasket, Cylinder Head1Gasket eBay
191-2095Regulator, Voltage (Spec A)1Avr eBay
193-0244Sender, Oil Pressure (E1)1Sensor Amazon eBay
193-0318Sender, Water Temperature1Sensor Amazon eBay $73.95
193-0430-01Sender, Oil Pressure1Sensor Amazon eBay $339.95
193-0457-01Sender, Water Temperature (E2)1Sensor eBay
193-0468Sender, Low Coolant1Sensor Amazon eBay
300-1500Fuel Filter1Fuel filter Amazon
305-0896Regulator, Voltage (AVR)1Avr eBay FridayParts $3390.89
309-0295Switch, Temperature (E086) (S5)1Sensor eBay
309-0576Switch, Thermostat - High Engine Coolant Temperature (S2)1Sensor Amazon eBay
309-0601Thermostat, Open at 202°F1Sensor Amazon eBay
309-0641-03Switch, Oil Pressure (Closes at 14 lbs. Descending) (S1)1Sensor Amazon eBay
309-0641-05Switch, Oil Pressure (S4)1Sensor Amazon eBay
323-1544Thermostat1Thermostat Amazon eBay
324-1491Oil Filter1Oil filter Amazon eBay
324-1542Fuel Injection Pump1Pump Amazon eBay
501-0624Hose, Oil Drain1Hose eBay
503-1353Hose, Exhaust (2" x 10')1Hose eBay
503-1692Hose (5/16 I.D. x 120" Lg.)1Hose eBay
503-1963-04Hose, Exhaust (2" x 3')1Hose eBay
503-1963-05Hose, Exhaust (2" x 5')1Hose eBay
503-2047Hose, Coolant1Hose eBay
503-2049Hose, Coolant1Hose eBay
503-2050Hose, Coolant1Hose eBay
503-2070Hose, Breather1Hose eBay
503-2072-01Hose, Air Intake1Hose eBay
503-2086Hose, Coolant1Hose eBay
503-2096Hose, Coolant1Hose eBay
612-6673Water Pump1Pump Amazon eBay
M1679-2TWO F U E L LINES IN TANK FITTINGFuel line Amazon eBay
100-3478-02Cruise Kit2Service part / kit Amazon eBay
130-4434Pencil, Zinc1Service part / kit Amazon eBay $34.17 NAPA $23.21
132-0374Plate, Wear1Service part / kit eBay
132-0380Kit, Major Service (Includes Parts Marked +)1Service part / kit eBay
149-2046Kit, Metal Bowl Replacement (Includes Plug, O-Rings and Drain Assy)1Service part / kit Amazon eBay
155-1002Strainer, Water Pickup1Service part / kit Amazon eBay
155-3218Separator, Water (2")1Service part / kit eBay
185-5649Tappet3Service part / kit eBay
185-6638Rectifier1Service part / kit eBay
185-6721Element, Breather1Service part / kit Amazon eBay
185-6816Rectifier1Service part / kit eBay
307-2546Solenoid, Stop (K7) (12V)1Service part / kit eBay $34.03
307-2546-01Solenoid, Stop (K7) (24V)1Service part / kit eBay FridayParts $69.99
321-0307-06Fuse (15A, Lt Blue)1Service part / kit eBay
CS1312-1CROSS-SECTION VIEW HULL STRAINER SEA COCK RECOMMENDED WATER STRAINER OR FILTER FLUSH THROUGH-HULL FITTING TO GENSETService part / kit Amazon Amazon eBay 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

RatingLoadL/hgal/h
Continuous1.140.301
Continuous100%2.230.59
Prime100%2.230.59
Standby1.140.301
Standby100%2.230.59

Available documents

Spec sheet (Generac)Reference (Generac)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter 7665025430$7.98
1 priced item$7.98