2026 Peterbilt 537 Mechanics Truck – Stellar TMAX 2-14

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The most capable field service truck we stock. This 2026 Peterbilt 537 is paired with a Stellar TMAX 2-14 aluminum mechanics body, Stellar 12630 hydraulic crane, and a 46 CFM air compressor system. At 33,000 GVW with air ride suspension, air brakes, and a PACCAR PX-9 engine, this is a chassis built for serious mileage and serious work — not a pickup truck with a toolbox bolted on.

If your operation depends on a service truck that shows up ready and doesn't become the problem, this is the one.

Located at Smith Truck Co / Smith Truck Body — Rosebush, Michigan. Financing available. Delivery throughout Michigan and nationwide.

Chassis — 2026 Peterbilt 537

• 33,000 GVW
• PACCAR PX-9 diesel engine
• Allison 3000 automatic transmission
• Air brakes
• Air ride suspension — better ride quality and reduced fatigue on long service runs
• 88" CA configuration
• Horizontal exhaust with vertical stack
• 50-gallon fuel tank
• 11R22.5 tires
• Air-ride driver's seat

Mechanics Body — Stellar TMAX 2-14

• All-aluminum side packs and doors
• Steel crane compartment with torsion box understructure
• Compartments raised to 60" for maximum storage capacity
• 168" body with 21" workbench bumper — through-compartment design
• Master-lock system with stainless latches and billet hinges
• Full aluminum drawer and shelving system
• Lighted drawers and compartments
• Oxy/acetylene bottle storage
• Rear hose reel with roller guide
• LED DOT lighting throughout
• Rubber fenderettes, fully undercoated and painted
• Pintle hitch and fold-down aluminum tailgate

Body & Bumper Options

• Hydraulic stabilizers — out and down
• Slide-out bumper step
• Vise mount plate
• Adjustable boom support and roller rest
• Rock guard kit and grab handles

Hydraulics & Electrical

• Hot-shift PTO
• Tandem pump — runs crane and compressor simultaneously
• 35-gallon hydraulic reservoir
• E-Link 2.0 dash-mounted control system

Crane — Stellar 12630 Service Crane

• 77,800 ft-lb moment capacity
• 12,000 lb lift capacity at 6'5"
• 30 ft horizontal reach
• 31 ft 9 in vertical lift
• CDTpro™ controls with integrated range finder
• Capable of handling major component lifts — engines, transmissions, axles, heavy attachments

Air Compressor — Model 46P

• 46 CFM at 175 PSI
• 4-cylinder, 2-stage compressor
• Direct drive with oil cooler
• Enclosed unit with flip-up lid
• Continuous capacity for air tools, impact wrenches, and inflation in the field

Lighting & Safety

• 4 LED flood lights
• LED compartment lighting
• Backup alarm
• Fire extinguisher and reflector kit — DOT ready

Why the Peterbilt 537 Platform

There's a meaningful difference between this truck and a medium-duty service truck built on an F-600 or similar platform. The Peterbilt 537 at 33,000 GVW with air brakes, air ride suspension, and a PX-9 engine is in a different class — built for operators who put serious miles on a service truck and need it to perform like a commercial vehicle, not a heavy pickup. The 50-gallon fuel tank means fewer stops. The air ride keeps your tech fresh after a long day of driving between job sites. The 60" raised compartments and full drawer system mean your tools are organized and accessible, not buried.

The Stellar 12630 crane at 77,800 ft-lb moment capacity handles engine pulls, transmission swaps, axle work, and heavy attachment changes in the field — the kind of lifts that separate a real service truck from one that can only do light assists.

This is the right truck for heavy equipment dealers and rental companies supporting machines in the field, construction and aggregate fleets running dedicated field service, utilities and pipeline contractors covering large service territories, municipalities maintaining heavy equipment and infrastructure, and independent mobile diesel technicians ready to step up to a commercial-grade platform.

Available for inspection at Smith Truck Body in Rosebush, Michigan — the professional upfit shop behind every truck we sell. Call, message, or stop in to see it in person.

Smith Truck Co | Rosebush, Michigan | 989-930-0012

Serving Central Michigan, Mid-Michigan, and surrounding areas. Nationwide delivery available. Financing assistance — apply online.