Per the product's spec sheet, Generac's XD5000E portable diesel generator, model number 6864, features a Yanmar LW Series 435cc air-cooled, direct injection, industrial grade diesel engine.
Generac 6864 XD5000E 5500 / 5000 Watt Electric Start Portable Generator w/ COSense, 49ST

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Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- Durable fully welded 1 1/4 inch steel frame
- Yanmar LW Series 435cc air-cooled direct injection, industrial-grade diesel engine
- Diesel power requires less maintenance, is more efficient, and provides a long life
- TruePower™ Technology provides less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics, tools and appliances
- Wheel Kit Sold Seperately (Item # 52334)
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Portable diesel generator
Downloads
Features + Benefits
- Durable fully welded 1 1/4 inch steel frame
- Yanmar LW Series 435cc air-cooled direct injection, industrial-grade diesel engine
- Diesel power requires less maintenance, is more efficient, and provides a long life
- TruePower™ Technology provides less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics, tools and appliances
- Wheel Kit Sold Seperately (Item # 52334)
Key Specs
| Attribute | Specification |
|---|---|
item# | 48974 |
Brand | Generac |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 273.0 LB |
Surge Watts | 5,500 |
Rated Watts | 5,000 |
Fuel Type | Diesel |
Voltage | 120/240 |
Engine Displacement | 435 cc |
| Attribute | Specification |
|---|---|
Engine Brand | Yanmar |
Start Type | Electric |
Fuel Capacity | 12 Gal |
Battery Required | Yes |
Battery Included | No |
Low Oil Shutdown | Yes |
Product Weight | lb |
Dimensions L x W x H (in.) | 33.0 x 22.5 x 25.0 in |
Reviews
Questions & Answers
Questions
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· 11 years ago
Is it really a Yanmar diesel?
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Generac· 11 years ago
Helpful?
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ProductExpert41· 11 years ago
The engine on this generator is a Yanmar diesel.
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· 2 years ago
What type and size battery is used by this generator?
1 answer-
ProductExpert6· 2 years ago
The generator would require a 12 volt battery that is a Group 26R with a minimum cold cranking amps (CCA) of 540 or a Group 35AGM with a minimum cold cranking amps of 650.
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· 2 years ago
Can you plug a 50 amp power cord into this generator
1 answer-
ProductExpert11· 2 years ago
The generator does not come with a 50 amp receptacle. The generator will have (2) 120 volt AC 20 amp GFCI duplex receptacles, (1) 120/240 volt AC 30 amp locking receptacle and (1) 120 volt AC 30 amp locking receptacle.
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· 2 years ago
How long will it run on a full tank?
1 answer-
ProductExpert6· 2 years ago
The generator would run 32 hours on a full tank at half load.
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· 3 years ago
What is fuel usage? Is voltage frequency adjustable?
1 answer-
ProductExpert38· 3 years ago
This generator will provide around 32 hours of usage on a full tank at 50% load.
The voltage frequency is not adjustable.Helpful?
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· 9 years ago
will thise run a 30amp camper?
1 answer-
ProductExpert12· 9 years ago
This Generac generator can supply 5,500 surge watts and 5,000 running watts. It does have one 120V 30A twist lock receptacle for 30A applications.
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· 9 years ago
How does this generator handle high altitude?
1 answer-
ProductExpert43· 9 years ago
The maximum power decreases about 3.5% for each 100' above sea level and will also decrease about 1% for each 10 degrees Fahrenheit above 60 degrees Fahrenheit ambient temperature.
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· 9 years ago
Oil Change
I see that the recommended oil change interval is 200 hours, which is good, but I see no mention of changing the oil filter. Is there an oil filter installed on this model?
1 answer-
ProductExpert37· 9 years ago
This generator will require both the engine oil and filter to be changed every 200 hours or every season.
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· 9 years ago
What is the Decibel rating on the unit?
1 answer-
ProductExpert5· 9 years ago
There is no decibel rating for there are too many variables in testing the sound level for this unit.
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· 10 years ago
Expected lifetime in operating hours
What is the mean time between failures?
1 answer-
ProductExpert40· 10 years ago
There is not an expected lifetime in operating hours or a mean time between failures. The generator comes with a 2 year commercial warranty from the manufacturer and has an hour meter so you can perform maintenance on the generator at the intervals provided in the owners manual. If properly maintained the generator is designed to provide years of service.
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Warranty
Manufacturer's Warranty
2 year limited warranty
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Currently Viewing This Product
Item # 48974
$4545.99Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- $779.00Reg $849.00Save $70.00
Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $5999.00
Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 07/09/26Heavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
5,500
8,125
10,000
5,000
6,500
9,000
Diesel
Gasoline
Gasoline
120/240
120/240
120/240
435 cc
389 cc
688 cc
Yanmar
Generac
Honda
Electric
Recoil
Electric and Recoil
12 Gal
6.9 Gal
8.1 Gal
Yes
No
Yes
No
-
Yes
Yes
Yes
Yes
lb
176.5000 lb
403.0000 lb
33.0 x 22.5 x 25.0 in
27.25 x 27.0 x in
56.0 x 26.75 x 35.12 in
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5 hr
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5
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(4) 120v 20a 5-20r Gfci, (1) 120/240v 30a L14-30r
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No
Yes
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72 dB
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