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Home Generators Commercial Generators Wildcat Roughneck 40kW Diesel Generator 120/240 Volts Single Phase | RO0040D3AOXE
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Wildcat Roughneck 40kW Diesel Generator 120/240 Volts Single Phase | RO0040D3AOXE

$14,725.00

  • Wildcat Power Gen 40kW Diesel Generator
  • Prime Rated Emergency Power for Extended Outages
  • Designed for Unattended Operation
  • Open Skid Design—Optional Cat-5 Rated Steel Enclosure
  • Great for Agriculture, Disaster, Industrial, First Responder
  • Perfect for Off Grid Applications
  • Durable Liquid Cooled KOEL 1800 RPM Engine
  • Wildcat Power Gen 3-Year 5000-Hour Limited Warranty
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Category: Commercial Generators
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Description

Roughneck 40kW Diesel Generator

Rated 37kW     120/240 Volts Single Phase     NFPA 110 Level 2      THD < 5%

Wildcat Roughneck Generators—Made in the USA. Hand Built Generators designed and tested for rugged simplicity. Wildcat engineered the 40kW Single Phase Diesel Generator for emergency applications with a prime-rated liquid cooled engine made to run for extended periods during power outages.

  • Durable Koel 3.2L 4-Cycle Industrial Powertrain
  • Rated for Prime Power.
  • Easy to Use Wildcat Digital Controls with DeapSea Controller
  • Open Skid Package—Easy to Service
  • Built Tough for Unattended Operation in Harsh Environments
  • Exceeds NFPA-110 Level 2
  • Liquid-Cooled Tier 3 Diesel Engine
  • No-Load to Full-Load Total Harmonic Distortion < 5%

*Representative Image—actual product appearance may differ.

Roughneck 40kW Generator Optional Features (Sold Separately)

  • 140-Gallon UL-142A Diesel Fuel Tank for 24 Hour Run Time.
  • Cat 5 Hurricane Rated Steel Enclosure
  • Military Grade Wiring

Roughneck 40kW Generator Applications

Built for emergency applications, Wildcat equipped the Roughneck 40kW Diesel with a prime-rated industrial powertrain for extended run periods in long power outages.

Wildcat’s Roughneck 40kW Diesel Generator has a durable, 1800 RPM fixed speed engine that combines excellent fuel efficiency with a continuous use rating. The Roughneck Diesel is uniquely at home on farms and ranches, remote locations, and for off-grid use in remote locations.

Perfect for disaster relief efforts and powering first responder facilities.

Get Peace of Mind with a world-class American made generator built with industrial-grade components and backed by a 3-year-5000-hour commercial warranty.

Made in the USA, Wildcat Power Gen manufactures the 40kW Diesel Generator at its state-of-the-art facility in Wichita, Kansas.

Roughneck 40kW Fuel Consumption

Load Diesel Gallons per Hour
No Load 0.85
50% 1.90
Full Load 3.62

Product Specifications

Model

Model Number; RO0040D3AXE

Manufacturer; WildCat

Made In USA; Yes

Rated Watts; 37kW

Rated Amps; 154 Amps

Voltage; 120/240 Volts

Enclosure; Open Skid Design—Optional Hurricane Rated Steel Enclosure Sold Separately

Decibel Rating; 72 dBA No Load

Type; Prime Power

Series Name; Roughneck

Features

Starting System; Electric Start

Low Oil Alert; Low Oil Shutdown

Mainline Breaker; 175 Amps

Battery Requirement; 12-Volt 900 CCA

Mounting Pad; Prepared Site Required

Weight; 3207 Pounds

Dimensions; 108.78L x 41.78W x 71.34H Inches

Warranty Information

Consumer Warranty; WildCat 3-Year 5000-Hour Limited Warranty

Commercial Warranty; WildCat 3-Year 5000-Hour Limited Warranty

Engine

Engine Brand; KOEL

Engine Size; 3.2 Liter Inline 4 Cylinder

Engine RPM; 1800

Cast Iron Sleeve; Cast Iron Engine

Cooling System; Liquid Cooled

Alternator

Alternator Type; Brushless 12-Lead

Frequency; 60 Hertz

Auto Voltage Regulation; Yes

Fuel

Fuel Type; Ultra Low Sulphur Diesel

Fuel Tank Material; Optional Steel Fuel Tank

Fuel Tank Size; 140 Gallon Optional Tank

Run Time (50% Load); 73 Hours

Shipping & Delivery
wd-ship-1
wd-ship-2

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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    • Phone: +1 (714) 694-3374
    • E-mail: sales@xfactorsmotorsports.com
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