100% Mobile • On-Site Repairs Across Oregon & Washington

Heavy Equipment & Commercial Truck Repair — Brought Straight to You.

Eliminate expensive towing and jobsite delays. Our fully equipped mobile service crane rig delivers on-site diesel diagnostics, hydraulic troubleshooting, cylinder rebuilds, and mobile welding directly to your field, job site, or roadside.

Call (503) 930-7112 Request Service Dispatch
100% Mobile Service No hauling or towing required
Heavy Crane Service Rig Full crane & welding setup
Transparent Rates No hidden call-out fees
JTF Mobile Repair heavy-duty Kenworth service crane truck on site at night
Kenworth Mobile Crane Rig #94
Fully equipped for 24/7 on-site heavy mechanical repairs & night work
Broken Down on the Highway, Farm, or Job Site?
Call our dispatch line directly for rapid mobile diagnostic and repair response.
Call (503) 930-7112
Capabilities

Verified Mobile Repair Services

We operate a self-contained mobile shop. We carry the heavy tools, hydraulic presses, diagnostic computers, and crane lifting power to handle complex mechanical issues right where your machinery sits.

Heavy Equipment & Machinery Repair

Comprehensive mechanical troubleshooting and component repairs for civil construction and earthmoving equipment. We repair excavators, bulldozers, wheel loaders, and skid steers directly on site.

Track, undercarriage & pin inspections
Powertrain, transmission & final drive work
Cooling systems, radiators & turbochargers

Agricultural & Farm Equipment

Specialized in-field service during critical planting and harvest seasons. We keep Willamette Valley tractors, combines, balers, seeders, and hazelnut harvesting machinery running smoothly.

Tractors, combines, balers & implements
PTO drive shafts, belts & gearboxes
In-field breakdown response to avoid crop loss

Commercial Truck & Trailer Repair

Mobile maintenance and roadside repair for semi-trucks, dump trucks, flatbeds, and commercial fleet trailers. We handle air brakes, wheel seals, air lines, suspensions, and heavy diesel mechanics.

Kenworth, Peterbilt, Freightliner & Mack
Air brake chambers, valves, airlines & shoes
Heavy trailer landing gear & suspension repairs

Hydraulics & Cylinder Rebuilds

Complete hydraulic system diagnostics, leak resolution, pressure testing, and cylinder rebuilding. We reseal worn cylinders, rebuild rods, and replace blown high-pressure lines on site.

Hydraulic cylinder teardown, repack & reseal
Pump, control valve & spool diagnostics
High-pressure leak identification & fixes

Mobile Welding & Field Fabrication

Onboard heavy welder generator and gouging equipment to fix cracked booms, reinforced stress points, bucket edges, trailer tongues, and structural equipment damage right in the field.

Stick & MIG structural welding on heavy steel
Excavator bucket wear plates & cutting edges
Boom crack gouging, reinforcement & plate welding

Electrical Diagnostics & ECM Scanning

Modern heavy diesel engines rely on complex electronics. We carry electronic diagnostic equipment to read fault codes, test wiring harnesses, track down electrical shorts, and troubleshoot sensors.

Heavy-duty scan tools & live sensor data analysis
Starter, alternator & battery charging circuits
Wiring harness repairs, lighting & safety circuits

Preventative Maintenance & Fleet Care

Scheduled fluid changes, filter replacements, chassis greasing, and safety checks on your schedule. Keep commercial trucks and construction machinery running smoothly without taking units out of commission.

Engine oil, fuel & hydraulic filter replacements
Chassis lube, wheel bearing service & grease points
Scheduled fleet service programs

On-Site Crane & Heavy Lifting

Removing a heavy diesel cylinder head, final drive, blade, or transmission in the field requires dedicated lifting capability. Our Kenworth rig features a heavy-duty hydraulic crane boom to do the heavy pulling safely.

Hydraulic crane boom mounted directly on service truck
Safe removal of engine blocks, pumps & cylinders
Night work flood lighting for emergency operations
Verified Reputation

Customer Reviews & Recommendations

Real feedback from local farmers, civil contractors, and commercial truckers who trust JTF Mobile Repair across the Willamette Valley.

5.0 ★★★★★

100% Recommendation Rate

Verified Oregon Customer Recommendations

View Facebook Reviews All Reviews & Badges →
★★★★★

“Called JTF when our John Deere tractor blew a hydraulic line right in the middle of field operations. He was on-site quickly, had the right fittings on the service truck, and had us running again in no time. Honest, skilled, and didn't overcharge.”

Agricultural Producer Linn County, OR
★★★★★

“Our excavator broke a critical bracket on a commercial excavation site. JTF brought his mobile welding and crane rig right to the ditch. Welded and gusseted it stronger than factory. Saved us thousands in heavy haul towing fees.”

Civil Contractor Salem / Marion Co.
★★★★★

“Fast nighttime emergency response on I-5. Diagnostic scan revealed an injector harness fault. Fixed roadside with precision and professional attitude. When you need a real heavy-duty diesel mechanic in Oregon, call JTF.”

Long-Haul Fleet Driver I-5 Corridor, OR
Read More Customer Reviews & Badges →
The Mobile Advantage

The Shop Comes Directly to You — Zero Towing, Zero Waste.

When a tractor breaks down in muddy soil or an excavator loses hydraulic pressure on a job site, hauling it to a fixed shop costs thousands in transport alone and leads to lost days. JTF Mobile Repair solves that bottleneck by bringing full field workshop capabilities directly to your location.

01

Self-Contained Crane Service Rig

Equipped with our Kenworth service truck featuring an onboard hydraulic crane, high-output welding/air equipment, and high-torque field tools to do heavy repairs safely wherever you sit.

02

Transparent, Honest Pricing

We stand behind transparent, straightforward pricing with no hidden call-out gouging or unnecessary fees. You get direct mechanical labor and verified replacement parts.

03

Direct Communication with the Mechanic

No dealing with dealership service advisors or waiting on hold. You talk directly with the technician who inspects, diagnoses, and repairs your equipment.

04

24/7 Breakdown & Emergency Response

Harvest delays and equipment breakdowns don't wait for business hours. Our mobile rig is available around the clock with bright 360-degree night work lights.

BBB Accredited

JTF Mobile Repair LLC

100%
Mobile On-Site Service
24/7
Emergency Availability
A Rating
Better Business Bureau
$0
Hauling / Towing Cost Needed

"Our mission is simple: get your equipment back into productive operation quickly and safely, without the delay and expense of transporting big iron to a dealership."

BBB Accredited
Accredited by the Better Business Bureau with an "A" Rating.
TruckDown Verified
Verified emergency heavy-duty truck & diesel repair provider.
24/7 Rapid Response
Round-the-clock emergency assistance for breakdowns & field emergencies.
100% Mobile Reliability
Transparent hourly pricing with direct mechanic accountability.
Coverage Area

Where We Dispatch Throughout Oregon & Washington

Headquartered in Scio, Oregon, our mobile trucks cover the central Willamette Valley, Cascade foothills, highway corridors, and across Oregon and SW Washington. Whether you're stuck on Interstate 5 or out in an agricultural field miles from town, we come to you.

Linn & Marion Counties

  • Scio, Stayton & Sublimity
  • Albany, Millersburg & Lebanon
  • Salem & Keizer
  • Silverton & Jefferson

Benton, Polk & Lane Counties

  • Corvallis & Philomath
  • Dallas & Monmouth / Independence
  • Eugene, Springfield & Junction City
  • I-5 Corridor & Highway 22/20

*Operating outside these primary areas? Call us directly at (503) 930-7112 to check dispatch availability across Oregon and Washington state.

Fast In-Field Dispatch

Need Immediate On-Site Repair?

Keep your fleet moving and prevent costly harvesting delays. Contact JTF Mobile Repair for quick turnaround, skilled diagnostic troubleshooting, and dependable heavy mechanical service.

Primary Mobile Phone
(503) 930-7112
Secondary Support Line
(541) 666-0296
Base Location
Scio, Oregon
Direct Dispatch

Request Mobile Service or Inspection

Need emergency roadside assistance, in-field machinery repair, or scheduled maintenance? Give us a call or submit the dispatch form below.

Contact Information

For immediate emergency breakdowns or roadside repair, please call directly for the fastest response time.

Primary Dispatch Phone
(503) 930-7112
Secondary Contact
(541) 666-0296
Service Headquarters
Scio, Oregon
Hours of Availability
24/7 Emergency Dispatch Available

Submit a Mobile Repair Request

Tell us what equipment is down, your approximate location, and how we can help.

*For immediate roadside or high-priority field dispatch, calling directly guarantees the fastest response time.

Call (503) 930-7112 Book Repair