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RV generators repair in Montana

10 of the Montana repair businesses listed here work on generators: 3 in Billings, 2 in Great Falls, 1 in Bozeman, 1 in Columbia Falls, 1 in Coram and 1 in Livingston, and 1 more towns. A business not on this list may still take the job; this page only counts the ones that said so on their own site or listing. Before you call, read What an RV generator service or repair costs.

Ordered by Google rating, highest first, and by the number of reviews when ratings tie. A business with fewer than 5 Google reviews is not ranked and comes after, A to Z. Anyone only in town part of the year drops down while they are away. A business can pay to sit at the top: those are marked Paid placement and kept in the same Google order among themselves. Data read 2026-11-03.

Billings: 3

United Mobile RV LLC

Mobile RV techComes to where the RV is parked: your driveway, a storage lot, an RV park. No shop to tow to.What do these terms mean? Publishes ratesThis business prints its trip fee or hourly rate on its own website. We show the figure and the date we read it.What do these terms mean?
Based in Billings. Service area, in their words: “United Mobile RV LLC operates a scheduled, multi-state service route rather than a fixed shop location.”
Trip fee $75, $150 an hour (published on the company's site, read October 7, 2026)
5.0 on Google, 13 reviews (listing, October 22, 2026)
Call (616) 606-5277 Details Website Is this your business?

Great Falls: 2

Martin's RV Service Center

RV repair shopA fixed location. You bring the RV to them; no trip fee, but towing or driving it in is on you.What do these terms mean?
Based in Great Falls. Service area, in their words: “At Martin’s Service Center, located in central Montana, we’re here to keep your RV running smoothly.”
4.7 on Google, 54 reviews (listing, October 22, 2026)

Martin's RV Service Center is a fixed RV repair shop based in Great Falls, Montana, at 1601 24th Ave S.

Call 406-453-0527 Details Website Is this your business?

Fleet Truck & RV Repair

Mobile and shopRuns a shop and also sends a tech out. Bigger jobs may still mean a trip to their bay.What do these terms mean? Onan / Cummins generator serviceFactory training on Onan (Cummins) RV generators. Useful when the generator is the problem.What do these terms mean? Takes after-hours callsThe business's own site mentions 24/7, emergency or after-hours service. Rates for those calls are often higher.What do these terms mean?
Based in Great Falls. Service area, in their words: “Located in Great Falls, we proudly serve the surrounding communities with reliable diesel repair services.”
4.4 on Google, 251 reviews (listing, October 22, 2026)

Fleet Truck & RV Repair is a heavy-duty truck shop that also works on RVs.

Call (406) 727-0207 Details Website Is this your business?

Bozeman: 1

Western Service and Repair

RV repair shopA fixed location. You bring the RV to them; no trip fee, but towing or driving it in is on you.What do these terms mean?
Based in Bozeman. Service area, in their words: “Bozeman, Belgrade, Manhattan, Three Forks, Livingston, Big Sky and the surrounding areas.”
4.5 on Google, 30 reviews (listing, October 15, 2026)

Western Service and Repair is an RV repair shop based in Bozeman, Montana.

Call (406) 577-4112 Details Website Is this your business?

Columbia Falls: 1

RV Ready Medic

Mobile RV techComes to where the RV is parked: your driveway, a storage lot, an RV park. No shop to tow to.What do these terms mean? Takes after-hours callsThe business's own site mentions 24/7, emergency or after-hours service. Rates for those calls are often higher.What do these terms mean?
Based in Columbia Falls. Service area, in their words: “Mobile RV repair throughout Columbia Falls and surrounding Flathead Valley communities.”
5.0 on Google, 20 reviews (listing, October 15, 2026)

RV Ready Medic is a mobile RV tech based in Columbia Falls, Montana.

Call (406) 309-4292 Details Website Is this your business?

Coram: 1

Miller's Mobile RV Rescue

Mobile RV techComes to where the RV is parked: your driveway, a storage lot, an RV park. No shop to tow to.What do these terms mean? Takes after-hours callsThe business's own site mentions 24/7, emergency or after-hours service. Rates for those calls are often higher.What do these terms mean?
Based in Coram. Service area, in their words: “Mobile RV repair serving the West Glacier, Coram, Columbia Falls Area”
5.0 on Google, 58 reviews (listing, October 7, 2026)

Miller's Mobile RV Rescue is a mobile RV tech based in Coram, Montana.

Call 406-407-5651 Details Website Is this your business?

Livingston: 1

Missoula: 1

Real Steel Diesel Truck & Trailer

RV repair shopA fixed location. You bring the RV to them; no trip fee, but towing or driving it in is on you.What do these terms mean? Publishes ratesThis business prints its trip fee or hourly rate on its own website. We show the figure and the date we read it.What do these terms mean? Onan / Cummins generator serviceFactory training on Onan (Cummins) RV generators. Useful when the generator is the problem.What do these terms mean?Factory trained (other brands)The business names a manufacturer's own training or authorized-service program (Dometic, Spartan, Winegard, Truma, Oasis, Magnum and similar).What do these terms mean? Takes after-hours callsThe business's own site mentions 24/7, emergency or after-hours service. Rates for those calls are often higher.What do these terms mean?
Based in Missoula. Service area, in their words: “Missoula; Evaro; Arlee; Ravalli; St. Regis; St. Ignatius; Ronan; Charlo; Kalispell; Superior; Frenchtown; Alberton; Cyr; Lolo; Florence; Ste…”
$180 an hour (published on the company's site, read October 7, 2026)
4.9 on Google, 113 reviews (listing, October 7, 2026)
Call (406) 235-1984 Details Website Is this your business?