New 2015 Trucks For Sale
Explore new 2015 trucks with mature emissions, downsped powertrains and modern safety. Compare specs, applications and trade-offs before you buy.
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About New 2015 Trucks
By 2015, aftertreatment systems had largely matured under EPA 2010 and GHG Phase 1. Expect SCR with DEF, a DPF and cooled EGR. DEF usage typically runs near 2 to 3 percent of diesel burn, with service intervals and parked regens influenced by duty cycle. For never-titled or long-stored units, calendar age matters as much as miles. Plan to evaluate batteries, belts, coolant hoses, and tire DOT dates, and confirm the DPF, sensors and DEF pump have current software and any campaigns closed by a dealer. Ask for ECM history on regens and fault resets so you know the system’s health before you put the truck on a demanding route.
Chassis and safety content on 2015 trucks ranges from basic ABS and roll stability to collision mitigation like Bendix Wingman and lane departure alerts on premium builds. Air disc brakes were increasingly available and can shorten stops and reduce fade compared to drums, though pad and rotor costs differ. Decide early on 6x4 versus 6x2. A 6x2 can trim weight and improve MPG but requires the right traction strategy and driver training, while 6x4 remains the resale favorite. Low rolling resistance duals or wide-base singles, automatic tire inflation, aluminum wheels and full aero packages on tractors like Cascadia Evolution, T680, 579 and VNL help push real-world fuel economy into the 7 mpg range and beyond with disciplined driving.
Applications dictate the rest of the spec. Day cabs with shorter wheelbases suit city and regional work, while 72 to 80 inch sleepers with APUs or optimized HVAC support long-haul comfort. Verify fifth wheel height for trailer compatibility, tank capacity for route length and suspension choice for ride versus stability. Most 2015 engines qualify for California Truck and Bus rules since they are 2010-emissions or newer, but glider kits from that era may not be CARB compliant. ELD and telematics integration is straightforward via the J1939 port, and many trucks are prewired for popular systems. On never-in-service 2015 units, clarify when base and extended warranties start, and budget for age-related consumables so the truck earns from day one.
Frequently Asked Questions
What engines and transmissions are common in new 2015 trucks?
Typical engine options include Cummins ISX15, Detroit DD13 and DD15, PACCAR MX-13 and Volvo D13. Manual Eaton Fuller 10, 13 and 18 speeds are widely found, while automated manuals like Eaton UltraShift Plus, Detroit DT12 and Volvo I-Shift are prevalent on highway tractors. Vocational trucks often pair mid to high horsepower ratings with Allison 3000 or 4000 series automatics for low-speed control.
Are 2015 emissions systems reliable, and what should I inspect?
2015 aftertreatment packages benefited from several years of refinement. You should confirm recent software calibrations, check for closed recalls, review ECM data for regen frequency and fault history, and inspect DEF components and sensors. On trucks that have sat, budget for fresh batteries, filters and possibly a DPF cleaning based on time in addition to miles.
How does a 6x2 compare to a 6x4 on a 2015 tractor?
A 6x2 can save several hundred pounds and improve fuel economy by reducing parasitic loss, especially with adaptive load transfer. The trade-off is traction on low-mu surfaces and driver familiarity. A 6x4 offers predictable traction and typically stronger resale. Evaluate your routes, tire strategy and driver training before choosing.
What should I check on a never-titled 2015 truck that has been stored?
Treat it like a new unit with age-related due diligence. Confirm tire DOT dates and sidewall condition, test and likely replace batteries, inspect belts and hoses, change fluids and filters, and verify all control modules are updated. Ask a dealer to run campaigns and aftertreatment health checks so the DEF system, DPF and sensors start service without surprises.
Do 2015 trucks meet California and CARB requirements?
Most 2015 trucks have EPA 2010-compliant engines and meet the California Truck and Bus rule. Verify the engine family and emissions label, and be cautious with 2015 glider kits, which may not qualify. If operating in ports or under specific fleet rules, confirm any additional CARB equipment or reporting requirements before deployment.