Navistar MaxxForce Engine Programming
The MaxxForce 13 is the engine Navistar bet wrong on — EGR-only emissions that produced predictable aftertreatment chaos. The A26 is what Navistar built to recover from it, with modern SCR/DEF architecture and MAN-licensed bones. We support both — calibration recovery and delete preparation on the troubled MaxxForce 13, and the full set of programming options on the A26 in International LT, RH, and HX series chassis.
MaxxForce
2007–2017
MaxxForce DT
Displacement
7.6L inline-6
Horsepower
215–300 hp
Common in: International DuraStar 4300/4400, International WorkStar 7500/7600, IC Bus chassis, International medium-duty
View MaxxForce DT Details
MaxxForce
2007–2014
MaxxForce 7
Displacement
6.4L V8
Horsepower
200–300 hp
Common in: International DuraStar 4300, International TerraStar, International 4400, IC Bus medium-duty
View MaxxForce 7 Details
MaxxForce
2007–2014
MaxxForce 9
Displacement
9.3L inline-6
Horsepower
260–330 hp
Common in: International WorkStar 7600, International DuraStar 4400, International 7000 series, IC Bus medium-heavy
View MaxxForce 9 Details
MaxxForce
2007–2013
MaxxForce 10
Displacement
10.0L inline-6
Horsepower
310–370 hp
Common in: International WorkStar 7600, International 7300/7400 series, International medium-heavy vocational
View MaxxForce 10 Details
MaxxForce
2007–2013
MaxxForce 11
Displacement
10.5L inline-6
Horsepower
330–390 hp
Common in: International ProStar, International TranStar, International PayStar, International 9000 series
View MaxxForce 11 Details
MaxxForce
2008–2013
MaxxForce 15
Displacement
14.9L inline-6
Horsepower
475–550 hp
Common in: International ProStar (heavy-haul spec), International LoneStar (heavy-haul), International heavy-duty Class 8
View MaxxForce 15 Details
MaxxForce
2008–2017
MaxxForce 13
Displacement
12.4L V8
View MaxxForce 13 Details
MaxxForce
2017–present
A26
Displacement
12.4L inline-6
View A26 Details
⏵ Truck down? Fleet stalled?
MaxxForce Or A26 ECM On Your Bench?
Send us the engine serial number and the truck VIN. We'll quote turnaround and method same business day — fleet pricing available.