Workhorse Custom Chassis now offers a Cummins ISB4 diesel engine (170 hp.; 420 lb.-ft. max. torque) coupled to an Allison 1000 Series 5-speed electronic transmission in walk-in trucks in the 10,000-14,000 lb. GVWR range. www.workhorsecc.com
Castrol GTX 5W-20 is said to provide maximum protection against viscosity and thermal breakdown and to exceed all light-truck and passenger-car manufacturers' warranty requirements for protection of gasoline and turbocharged engines where API SJ or SH is recommended.