The natural gas line size would depend on local area codes.
WEN 120V/240V Tri Fuel Generator with Electric Start, 14,500 Surge Watts, 11,500 Rated Watts, Model# TF1450

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Shipping:
BackorderedHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- Switch between gasoline (14500 surge watts, 11500 running watts), propane (12500 surge watts, 10300 running watts), and natural gas (10500 surge watts, 8750 running watts) with a simple turn of the selection dial
- Operates at 120V and 240V, making it perfect for transfer switches and emergency backup
- Electric start powers the 500c 4-stroke OHV engine with the turn of a key
- 8.2-gallon tank provides up to 12 hours of half-load runtime
- Includes four 120V 5-20R outlet, a 120V/240V transfer-switch-ready NEMA L14-30R outlet, a 120V/240V transfer-switch-ready NEMA 14-50R outlet, a 12V DC automotive outlet, a bottle of oil, a 6-foot LPG connection hose, an NG quick-connect adapter, and a three-year limited warranty
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Generator

Features + Benefits
- Switch between gasoline (14500 surge watts, 11500 running watts), propane (12500 surge watts, 10300 running watts), and natural gas (10500 surge watts, 8750 running watts) with a simple turn of the selection dial
- Operates at 120V and 240V, making it perfect for transfer switches and emergency backup
- Electric start powers the 500c 4-stroke OHV engine with the turn of a key
- 8.2-gallon tank provides up to 12 hours of half-load runtime
- Includes four 120V 5-20R outlet, a 120V/240V transfer-switch-ready NEMA L14-30R outlet, a 120V/240V transfer-switch-ready NEMA 14-50R outlet, a 12V DC automotive outlet, a bottle of oil, a 6-foot LPG connection hose, an NG quick-connect adapter, and a three-year limited warranty
Key Specs
| Attribute | Specification |
|---|---|
item# | 6570813 |
Brand | WEN |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 250.0 LB |
Surge Watts | 14,500 |
Rated Watts | 11,500 |
Fuel Type | Tri Fuel - Gasoline, Propane, and Natural Gas |
Voltage | Multi |
Max. Amps | 47.9 |
Engine Displacement | 500 cc |
Engine Brand | OEM |
Start Type | Electric and Recoil |
Fuel Capacity | 8.2 Gal |
Full Load Fuel Consumption | 1.37 GPH |
Half-Load Run Time | 12 hr |
| Attribute | Specification |
|---|---|
Number of Outlets | 8 |
Battery Required | No |
Battery Included | Yes |
Rated Watts LP | 10,300 |
Rated Watts NG | 8,750 |
Surge Watts LP | 12,500 |
Surge Watts NG | 10,500 |
Auto Shutdown | Yes |
Overload Protection | Yes |
Low Oil Shutdown | Yes |
Hour Meter | Yes |
Hertz | 60 |
Product Weight | 227.5000 lb |
Dimensions L x W x H (in.) | 29.0 x 28.5 x 26.0 in |
Reviews
Questions & Answers
Questions
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· 3 months ago
What size natural gas line do I need
1 answer-
ProductExpert30· 3 months ago
Helpful?
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· 3 months ago
what brand engine runs the generator?
1 answer-
ProductExpert11· 3 months ago
The engine is manufactured by WEN products.
Helpful?
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· 3 months ago
what name brand is the power source?
1 answer-
ProductExpert6· 3 months ago
The engine on this WEN tri-fuel generator is made by RATO.
Helpful?
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· 5 months ago
Is there an auto idle feature on this generator?
1 answer-
ProductExpert6· 5 months ago
The generator does not have an automatic idle feature.
Helpful?
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· 9 months ago
what is the THD on this Gen?
1 answer-
ProductExpert11· 9 months ago
The generator is designed to produce power with low harmonic distortion under 5%.
Helpful?
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· 11 months ago
Is there a noise (DB) rating for this model?
1 answer-
ProductExpert11· 11 months ago
The decibel rating on the generator is 77 decibels.
Helpful?
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· a year ago
what material is the winding
1 answer-
ProductExpert6· a year ago
The stator would have aluminum windings and the rotor has copper windings.
Helpful?
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Anonymous· a year ago
Is there a way to add exhaust pipe to route exhaust out from under RV
1 answer-
ProductExpert30· a year ago
It is not tested to add an exhaust pipe onto this WEN generator. Since it would change the exhaust emissions profile, it is not recommend to modify anything on the unit or violate EPA certification.
Helpful?
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Accessories We Recommend
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Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Currently Viewing This Product
Item # 6570813
$849.99Shipping:
BackorderedHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
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
Item # 99927
$2099.00Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
Specifications
14,500
5,500
8,125
4,000
11,500
5,000
6,500
3,500
Tri Fuel - Gasoline, Propane, and Natural Gas
Diesel
Gasoline
Gasoline
Multi
120/240
120/240
120/240
47.9
-
-
-
500 cc
435 cc
389 cc
270 cc
OEM
Yanmar
Generac
Honda
Electric and Recoil
Electric
Recoil
Recoil
8.2 Gal
12 Gal
6.9 Gal
6.3 Gal
1.37 GPH
-
-
-
12 hr
-
5 hr
15.7 hr
8
-
5
-
No
Yes
No
No
Yes
No
-
No
10,300
-
-
-
8,750
-
-
-
12,500
-
-
-
10,500
-
-
-
Yes
-
-
-
Yes
-
-
-
Yes
Yes
Yes
Yes
Yes
-
-
-
60
-
-
-
227.5000 lb
lb
176.5000 lb
155.0000 lb
29.0 x 28.5 x 26.0 in
33.0 x 22.5 x 25.0 in
27.25 x 27.0 x in
26.8 x 22.8 x 22.5 in
-
-
(4) 120v 20a 5-20r Gfci, (1) 120/240v 30a L14-30r
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-
-
No
No
-
-
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67 dB
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