Ter­bergg elec­tric truck uses Al­li­son

Motor Equipment News - - DIESEL INDUSTRY NEWS -

For nearly two years, the Scherm Group in Ger­many has used a 100 per­cent elec­tric Ter­berg YT202EV ter­mi­nal trac­tor with an Al­li­son fully au­to­matic trans­mis­sion to ef­fi­ciently de­liver ma­te­ri­als to the local BMW Group plant.

“The elec­tric truck has proved it­self in city distri­bu­tion and the just-in-time de­liv­ery for BMW is work­ing flu­ently,” said Ulf Fren­zel, fleet man­ager for Scherm Group. “The Al­li­son trans­mis­sion makes it pos­si­ble to specif­i­cally use the power of the elec­tric mo­tor in the best man­ner. And the e-truck can be ma­noeu­vred eas­ily and is ex­tremely easy to drive.”

The fully-elec­tric trac­tor is equipped with a three­p­hase syn­chro­nous mo­tor (614V) with a max­i­mum power rat­ing of 138kW and a fully au­to­matic Al­li­son 3000 Series trans­mis­sion. The Al­li­son au­to­matic is the key to the driv­e­line: the truck has to launch with a gross com­bi­na­tion weight (GCW) of up to 65 tons and achieve max­i­mum speed as quickly as pos­si­ble to meet the tight de­liv­ery sched­ule. This is made pos­si­ble by the trans­mis­sion’s torque con­verter that mul­ti­ples en­gine torque dur­ing startup and ac­cel­er­a­tion.

Ad­di­tion­ally, the Al­li­son trans­mis­sion elim­i­nates power in­ter­rupts for in­creased pro­duc­tiv­ity – even with a smaller en­gine. With­out the Al­li­son, a di­rect drive with a larger and sig­nif­i­cantly more ex­pen­sive en­gine would have been nec­es­sary. The trans­mis­sion’s power take-off (PTO) pro­vi­sion is used to drive the hy­draulic pump, which saves an ad­di­tional elec­tric gen­er­a­tor.

“The Al­li­son trans­mis­sion proves its re­li­a­bil­ity and ease of use in daily op­er­a­tion, said Fren­zel. “In ad­di­tion, we have shorter main­te­nance down­time than with a con­ven­tional diesel ve­hi­cle, bet­ter pro­duc­tiv­ity and there­fore we are much more ef­fi­cient.”

The 65-ton elec­tric ve­hi­cle com­mutes in twoshift op­er­a­tion eight times daily, five days a week, be­tween the BMW plant in Mu­nich and the Scherm lo­gis­tics cen­tre which is 3km away. Since it was put into ser­vice in 2015, the ve­hi­cle has com­pleted more than 3,000 tours, equal to ap­prox­i­mately 17,000km. Over the last two years, more than 8,000 litres of diesel have been saved, equiv­a­lent to 22 tons of car­bon diox­ide.

“We are re­ally sat­is­fied with the e-truck,” said Fren­zel. “We wanted to prove that elec­tric mo­bil­ity also works in freight trans­port, and we achieved our goal.”

Fol­low­ing Scherm’s suc­cess, Elflein Spedi­tion & Trans­port also be­gan us­ing a sim­i­lar Al­li­son-equipped elec­tric truck for short-dis­tance trans­ports to the BMW Group plant in Leipzig in Novem­ber 2016.

Be­cause of a higher an­nual driving per­for­mance com­pared with the ve­hi­cle in Mu­nich, car­bon diox­ide savings of up to 21 tons are pos­si­ble in Leipzig each year.

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