RV & Agricultural Diesel in Phoenix, Arizona

Most garages in Phoenix will not touch a 40-foot diesel pusher or a combine with a hydrostatic problem — the ones listed here will. These Phoenix and greater Arizona shops service RV chassis engines and generators, farm tractors and harvest equipment, irrigation pumps, and the off-road diesels that never see a highway. Several run service trucks that come to the campground or the field, which matters when the machine cannot come to them.

33RV & Agricultural Diesel Shops
2Open 24 Hours
4.5Average Rating
0Premium Shops

All RV & Agricultural Diesel Shops in Phoenix

(480) 220-6273
5.0(6 reviews)
Fleet MaintenanceBus RepairDiesel Engine RepairDOT InspectionsEmergency Repair +4 more
(602) 305-6800
5.0(7 reviews)
Diesel Engine RepairDiesel SpecialistCommercial & Fleet
(602) 258-3333
5.0(7 reviews)
Diesel RepairIndependent ShopHighly Rated
(602) 321-0667
5.0(13 reviews)
Bus RepairFleet MaintenanceRV RepairPreventive MaintenanceDiesel Specialist +1 more
(602) 980-9968
5.0(2 reviews)
Hydraulic RepairDiesel Specialist
(602) 442-1054
4.9(93 reviews)
Diesel Engine RepairDiesel Specialist
(602) 438-7402
4.8(17 reviews)
Hydraulic RepairRV RepairDiesel Engine RepairDiesel Specialist
(602) 269-9338
4.8(24 reviews)
RV RepairDiesel Engine RepairDiesel Specialist
(602) 641-5571
4.8(615 reviews)
Engine DiagnosticsFleet MaintenanceFuel System ServiceDiesel Specialist
(602) 278-8538
4.8(17 reviews)
RV RepairDiesel Specialist
24/7
(602) 329-6038
4.8(20 reviews)
Mobile ServiceRV RepairDiesel Engine RepairDiesel SpecialistOpen 24 Hours

Strictly Diesel

Phoenix, AZ
(623) 582-4404
4.7(334 reviews)
Transmission RepairDiesel Engine RepairPreventive MaintenanceDiesel Specialist
(602) 414-1900
4.6(47 reviews)
Diesel Engine RepairDiesel RepairIndependent ShopHighly Rated
(602) 237-1707
4.6(18 reviews)
Hydraulic RepairRV RepairDiesel Engine RepairDiesel SpecialistCommercial & Fleet
(602) 269-7045
4.6(50 reviews)
DOT InspectionsRV RepairDiesel Engine RepairDiesel Specialist
(602) 772-8227
4.6(31 reviews)
Emergency RepairFleet MaintenanceDiesel Engine RepairPreventive MaintenanceDiesel Specialist
(602) 232-0600
4.5(28 reviews)
Diesel SpecialistDiesel RepairIndependent ShopHighly Rated
(602) 252-1414
4.4(53 reviews)
DOT InspectionsMobile ServiceDiesel Engine RepairDiesel Specialist

BRW Truck Repair

Phoenix, AZ
4.3(15 reviews)
RV RepairDiesel Engine RepairDiesel Specialist
(602) 692-7601
4.3(6 reviews)
Preventive MaintenanceDiesel Specialist
(623) 879-6608
4.3(38 reviews)
Hydraulic RepairDiesel RepairIndependent Shop
(480) 562-4836
4.3(19 reviews)
Diesel Engine RepairDiesel RepairIndependent Shop
(480) 932-4860
4.3(624 reviews)
Bus RepairDiesel Engine RepairHydraulic RepairRV RepairTransmission Repair +2 more

Complete HTR

Phoenix, AZ
(623) 745-5896
4.3(24 reviews)
Hydraulic RepairMobile ServicePreventive Maintenance

Core Machinery

Phoenix, AZ
(480) 545-2400
4.2(15 reviews)
Diesel Engine RepairDiesel RepairIndependent Shop

W.W. Williams

Phoenix, AZ
(602) 257-0561
4.1(230 reviews)
Aftermarket PartsFleet MaintenanceBus RepairDiesel Engine RepairEmergency Repair +2 more
(602) 233-1700
4.1(76 reviews)
RV RepairDiesel Engine RepairDiesel Specialist
(602) 377-5574
4.1(31 reviews)
Hydraulic RepairRV RepairDiesel Engine RepairDiesel Specialist
(623) 244-8887
4.1(83 reviews)
Diesel Engine RepairBrake ServiceRV RepairSemi-Truck RepairTransmission Repair +2 more
(480) 273-5651
4.0(4 reviews)
Hydraulic RepairFleet MaintenanceDiesel Engine RepairRV RepairDiesel Specialist
(602) 437-8717
3.9(32 reviews)
OEM PartsEmergency RepairDiesel Engine RepairDiesel Specialist
(602) 978-2555
3.9(419 reviews)
Fleet MaintenanceDiesel Engine Repair24-Hour ServiceDOT InspectionsRV Repair +4 more
(480) 912-9422
3.9(37 reviews)
Aftermarket PartsFleet MaintenanceBus RepairHydraulic RepairDPF Cleaning +6 more

RV & Agricultural Diesel FAQ — Phoenix, Arizona

Where do I take a diesel motorhome for engine work near Phoenix — the RV dealer or a diesel shop?
For the chassis engine, transmission, brakes, and generator, a diesel truck shop is usually the better and cheaper choice — the engine is a Cummins, Cat, or Freightliner unit they see every day. The RV dealer is for house systems, slides, and coach electrical. Confirm the Phoenix shop has a bay tall enough and a lot long enough before you drive over.
Will a mechanic come out to the farm for a tractor that will not start?
Many of the ag-focused shops around Phoenix run field service trucks and would rather drive to your Arizona farm than have you trailer a tractor in. Give them the make, model, and hours, describe the symptom, and mention if it is a hard-start in cold weather versus a no-crank — the first is often glow plugs or fuel gelling, the second is usually electrical.
What is fuel gelling and how do I keep it from stranding my equipment in winter?
Below roughly 15°F, untreated diesel forms wax crystals that clog filters and stall the engine. Use a winter blend or an anti-gel additive before the cold hits, keep tanks full to limit condensation, and change fuel filters going into the season. If it already gelled, a Phoenix shop can warm the fuel system, swap filters, and get you running — do not try to thaw lines with an open flame.
How much does an RV generator or Onan service cost, and how often is it needed?
Small diesel gensets want oil, filters, and a load run at least once a year or every 150 hours or so, and they die young when left to sit. Service is generally billed as a flat job plus parts. Surging, hunting, or shutting down under load points to fuel delivery or a clogged air filter — bring the fault code from the panel to your Phoenix shop.
Are seasonal ag repairs hard to schedule around Phoenix during planting and harvest?
Yes — shops that serve Arizona growers are slammed in the spring and fall, and the ones listed here will tell you their busy windows honestly. Book preventive work in the off-season, keep spare filters and belts on hand, and ask whether the shop offers priority response for in-season breakdowns.