Reviews
Jovan Djuric
08 July 2026
a month ago
Ryan of RCG Diesel did us a terrific road service on AZ 87 roadside for air dryer and quick response valve replacement on a VOLVO VNL (the truck completely brok...
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Robert Welsh
16 June 2026
2 months ago
After a no call no show from another mobile heavy truck repair buisness. It was extremly refreshing to have Ryan come out . This guy is the real deal, he had go...
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len trovero
23 April 2026
3 months ago
Ryan stopped by and looked at dash air conditioning problem I had on RV. problem was fixed to my satisfaction at minimum cost. I would recommend RCG Diesel for...
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Jesse Frank
09 April 2026
4 months ago
Ryan is top notch! He is responsive, very knowledgeable and executes at the highest level. If you're looking for a great mechanic, look no further!
Thanks Ryan...
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Larry Fowler
03 March 2026
5 months ago
On time and took care of my issues very knowledgeable 0n my 400hp Cummins fair price so I had him come back an do a service also
Bill Looper
09 February 2026
6 months ago
Ryan is honest trustworthy and doesn’t waste time getting you up and going. A+ mechanic all the way around.
Graciela Lo Porto
06 February 2026
6 months ago
The Savior
Rita E MCVAY
03 February 2026
6 months ago
Ryan of RCG Diesel is the BEST!!.He Fixed a difficult electrical problem on my Brother's 2005 Kodiak ..stayed very optimistic and good spirited . Very knowledge...
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Vivek Kumar
22 January 2026
6 months ago
Amazing job done he is comes all the way from phoenix to payson on i87
prosper nshimirimana
20 January 2026
6 months ago
He is a wonderful mechanic and friendly.
Mohamed Fall
14 January 2026
7 months ago
Quick Response, Expert Advise and Going above and beyond
Express Eagle
09 January 2026
7 months ago
I use RCG services yesterday for my semi truck, he gave us good price and fix the electrical issue, I was stacked, Truck don't want to start.
Chazman R
07 January 2026
7 months ago
I called Ryan about replacing the engine driven A/C compressor on our motorhome. He was able to work us in the same day and provided a guesstimate of the cost. ...
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Loren Barrus
30 October 2025
9 months ago
Ryan got our diesel rv issue diagnosed (HEUI pump sensor), parts ordered and repaired within 24 hrs. Couldn't be happier. Next time there's a problem, I'm calli...
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Anthonie Lopez
19 October 2025
10 months ago
Nice, tough videos man. On my way for Diesel Technology myself.
Kaleigh Greve
15 October 2025
10 months ago
josh c
17 September 2025
a year ago
Ryan Greve
15 September 2025
a year ago
Aaron Salazar
09 September 2025
a year ago
Ryan is a great mechanic he got my rig fix and on my way if yall need rig work this is who you call good prices and great work thank you much Ryan great job Aar...
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nathan reveles
07 July 2025
a year ago
I found RCG on Google maps when we needed a diesel mechanic in the Apache Junction area where we were working. He responded quickly to get us up and running asa...
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Zachary Booth
17 June 2025
a year ago
Ryan does a lot of work for us and he always gets the job done. I highly recommend this company. They are super reliable, honest, and trustworthy. You wont regr...
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Teresa Natal
14 June 2025
a year ago
Quick knowledgeable n friendly service thanks Brian’
Thomas Gadberry
14 June 2025
a year ago
I've been using Ryan for 6 months to help with repairing my fleet of 30 semis. Ryan is always early,has a great attitude,stays till the job is done, I've had ze...
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Arali Juarez
14 June 2025
a year ago
We’ve been working with Ryan for a few years now. He helps us with our fleet of trucks, and we couldn’t be happier!!! They’ve been incredibly reliable and have ...
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Gary Hay
17 May 2025
a year ago
Ryan came out and fixed our coach AC and engine problems. Got us going in a very short time without skipping any steps in the repair. What a relief, now we can ...
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Craig fairbanks
30 April 2024
2 years ago
Ryan did a great job servicing my diesel pusher motor home. It is great to find someone who can do mobile service. No need to pack up and move the RV. He was...
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JOHN ALIIFUA
30 April 2024
2 years ago
RCG/Ryan has been a great help to my company. I'm just a 2 trk co and since I have been dealing with Ryan I have saved a lot of money not only on hourly rates b...
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Teresa Elmore
29 April 2024
2 years ago
Our 42 foot diesel motorhome broke down on our way to Apache Junction in December 2023. We got it hauled to our campground and began the search for someone to l...
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Brian Cohen
09 February 2023
3 years ago
Great guy, really knows his s@it. Got me out of a huge jam when another mechanic flaked out on me. Thanks again Ryan.
Mike Brookshire
26 January 2023
4 years ago
When Ryan says he will b there he will be there I have been using Ryan for year now he really knows what he is doing I have sent him to few friends and they hav...
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Kelli Nichols
22 January 2023
4 years ago
Highly recommend RCG diesel, we've used Ryan several times to keep our fleet rolling. he is very knowledgeable and gets the job done right!
Bruce Hess
17 November 2022
4 years ago
Pulled into Apache Junction one afternoon only to discover my engine had an oil leak. Driving an Alfa motorhome on a Freightliner chassis, with a Mercedes Benz ...
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