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HEAVY EQUIPMENT • HYDRAULICS • FIELD SERVICE

EQUIPMENT DOWN?
GET BACK TO WORK.

We diagnose and repair the equipment your operation depends on.

CALL (877) 549-8736 REQUEST SERVICE

Diagnose the problem

Repair it right

Get back to work

24/7 emergency service

Equipment Service

One call for the machine and the truck

Mondak works on material handling, construction, agriculture, rail, trucking and oilfield equipment at the Williston and Glendive shops or on site.

  • RepairDiagnostics, engine work, hydraulics and emissions repair.
  • MaintenanceScheduled service set around how the machine gets used.
  • InspectionsDOT and FHWA work for trucks, plus annual MEWP inspections.
  • Fleet SupportParts sourcing, rentals and a changing used equipment list.
View Services Equipment Coverage
Yellow heavy truck with its hood open inside the repair shop

Industries served

View Industries
Hose Counter and Mobile Crimping

Hydraulic hose built for the machine in front of you

Bring the fitting to the Williston counter or call for mobile crimping at the machine. Mondak builds hydraulic and industrial hose assemblies to 10,000 PSI.

See Hose Service
Equipment Service Records

Your machine's service record, one scan away

Mondak uses Tinnacity to connect each tagged machine with its service history, open repairs, maintenance items, photos and repair requests. Scan the QR code on the machine to see the record or ask for service.

  • The service record stays tied to the machine.
  • Past findings and photos stay in the record.
  • Open repairs and maintenance items are visible in one place.
  • A repair request can start at the machine.
Ask How Tinnacity Works
How a Service Call Goes

Machine. Location. Symptoms.

Start with what is down, where it is and what the operator noticed. Mondak plans shop work or a mobile service call from there.

01

Call with the machine and location

Share the make, model, location and what the operator noticed.

02

Dispatch or drop off

The team plans mobile service or shop work based on the machine and repair.

03

Repair and report

The technician completes the work and records findings, photos and maintenance items.

Oil and Gas Equipment

Oil and gas equipment is a core specialty

Mondak provides 24/7 field and shop support for active oil and gas operations. The team works on the equipment that runs the well site.

HPUs and top drives Power swivels and hydraulic catwalks Pumps, engines and generators

Service includes field repairs, temporary fixes while parts arrive and complete shop repairs. Technicians maintain SafeLandUSA training, H2S training, required personal protective equipment (PPE), ISNetworld compliance and experience on active oil and gas well sites.

See Oil and Gas Services
Mondak service truck at an oilfield drilling rig
Google Reviews

What customers say

The whole experience was amazing! From setting up the appointment to the spot on work they did for me. Highly recommend!

amanda wenzlaff
Google Review

Knowledgeable team, quick response and excellent customer service.

Travis F
Google Review

These guys arrived on time, got the job done under the estimate and left the job site clean. I will definitely use Mondak again.

Bob Wenzlaff
Google Review

Great service . Great people to work with and great knowledge.

Guy Russie
Google Review

Read Reviews on Google
On the Lot
See All Used Equipment

Mondak Equipment is hiring

2 positions are posted on the careers page.

See Open Positions
Shop or Field Service

Have equipment that needs attention?

Call with the equipment, where it is and what it is doing. A technician will confirm whether the work belongs in the shop or at the machine.

Call (877) 549-8736 Request Service
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