Name: Generac MDG25IF4 20/21kW Mobile Diesel Generator with Isuzu Engine
SKU: MDG25IF4
Price: 16331.90 USD
Availability: InStock

Generac MDG25IF4 20/21kW Mobile Diesel Generator with Isuzu Engine

SKU: MDG25IF4 In Stock

Generac 21kW Mobile/towable commercial. Fuel: Diesel. AP availability: Special Order – Ships in 8 – 10 Weeks.

Ships from Lynn Haven, Florida Processes in 1–3 business days

Free Ground Shipping

Up to 5-Year Warranty

35-Day Returns

Secure Checkout

Specifications

Product Overview

Generac MDG25IF4 20/21kW Mobile Diesel Generator with Isuzu Engine is a mobile/towable commercial listed by AP Electric. This WooCommerce row was built from the product page facts, price, availability, gallery images, and technical/specification references scraped from the source page.

Key Product Information

Brand: Generac
Power: 21 kW
Generator type: Mobile/towable commercial
Fuel type: Diesel
Voltage: 240V | 208V | 480V | 120V
Transfer switch: Not specified
AP category path: AP Electric Categories > All Generators > Mobile/Towable Generators > Generac Mobile Generators
WooCommerce brand hierarchy: Generators > Brands > Generac > Mobile/towable commercial
AP Electric availability: Special Order – Ships in 8 – 10 Weeks

Scraped Specifications

The Generac Magnum MMG25IF4: mobile diesel generator from Generac Mobile provides three-phase 25kVA prime power in a compact cabinet. The new cabinet design enables maximum space and transport efficiency while making the generator easy to maneuver and tow. The Final Ti
Isuzu 4LE2T – turbocharged, diesel engine
Polyethylene fuel tank
3 position selector switch Single phase – 120 / 240V Zig Zag 25 kW / 25 kVA – standby, 20 kW / 20 kVA – prime
Three phase – 120 / 208V Low Wye 25 kW / 31 kVA – standby, 20 kW / 25 kVA – prime
Three phase – 277 / 480V High Wye 25 kW / 31 kVA – standby, 20 kW / 25 kVA – prime
(2) 120V 20 Amp GFCI duplex outlets – (NEMA 5-20R type)
(3) 125 / 250V 50 Amp, 3 pole, 4 wire Twistlock (Non-NEMA 6369)

Technical Specs & Downloads

Mobile Diesel Generator Brochure: https://apelectric.com/content/PDF/Generac/mmg_brochure.pdf
MDG25IF4 Specifications Sheet: https://apelectric.com/content/PDF/Generac/mdg25if4_spec_sheet.pdf
MDG25IF4 Owner’s Manual: https://apelectric.com/content/PDF/Generac/mdg25-55_owners_manual.pdf
Mobile Diesel Generator Warranty: https://apelectric.com/content/PDF/Generac/mmg25-55_warranty.pdf

Need more technical details or compatibility information? Contact our team and we will help you find the right fit.

Shipping

Order Processing1–3 business days after payment is verified and cleared.

Free Ground ShippingEligible contiguous-U.S. orders: approximately 7–14 business days.

Priority Shipping$599 flat rate per order, estimated in 5–7 business days.

TrackingEmailed after dispatch; carrier updates may take up to 24 hours.

Freight Delivery for Large Equipment

The freight carrier may contact you to arrange a delivery appointment.
An authorized recipient must be available to inspect and sign for the shipment.
The delivery address must provide suitable access for a freight vehicle.
Unless stated otherwise, freight delivery is curbside or dockside; plan unloading equipment in advance.

Inspect Before Signing

Note visible damage, defects, or missing items on the carrier receipt before signing. Contact us within 48 hours whenever possible and retain all original packaging for a claim.

Complete Shipping Policy Track Your Order

Warranty

Warranty CoverageEligible products may include manufacturer coverage from 1 to 5 years.

Return Window35 days from purchase for eligible unused and unmodified equipment.

Approved Return ShippingCoordinated by our logistics team after authorization.

Refund ProcessingTypically issued within 3 business days after an approved return is received and inspected.

Submitting a Warranty Claim

Provide the order number plus the product model and serial information.
Describe the issue clearly and include supporting photographs or video.
Do not arrange repairs or return freight before receiving instructions.

Return Eligibility

The machine must be unused, unmodified, and in its original condition.
Include all listed attachments, original packaging, and proof of purchase.
Custom, special-order, final-sale, used, or customer-damaged equipment may be excluded.

Authorization Is Required

Contact our team before returning equipment or arranging repairs. Product-specific manufacturer terms, covered components, and exclusions remain controlling.

Warranty & Buyer Protection Return & Refund Policy

Generac MDG25IF4 20/21kW Mobile Diesel Generator with Isuzu Engine