New In­ter­na­tional flag­ship

Motor Equipment News - - DIESEL INDUSTRY NEWS -

In­ter­na­tional Truck has launched the LT Se­ries, its new flag­ship line of Class 8 over-the-road trucks, de­vel­oped through driver-cen­tric de­sign and fea­tur­ing ad­vanced tech­nolo­gies that de­liver bet­ter fuel ef­fi­ciency, best-in-class up­time, and su­per driver ap­peal.

“The new In­ter­na­tional LT Se­ries re­flects our vi­sion for the fu­ture of the truck­ing in­dus­try, with a host of ad­vance­ments that sup­port im­proved driver safety and pro­duc­tiv­ity, as well as fuel ef­fi­ciency and up­time,” said Bill Kozek, pres­i­dent, Truck and Parts, Nav­is­tar. “This new ve­hi­cle re­flects our strong be­lief that in­te­grat­ing the best tech­nol­ogy will pro­vide cus­tomers with a sig­nif­i­cant op­er­at­ing ad­van­tage.”

In de­vel­op­ing the LT Se­ries, In­ter­na­tional worked hard to as­sure that driv­ers will find each ve­hi­cle more com­fort­able, ap­peal­ing and user-friendly in ev­ery de­tail. In keep­ing with the com­pany’s DriverFirst prod­uct de­sign fo­cus, In­ter­na­tional un­der­took ex­ten­sive re­search with truck driv­ers, in­clud­ing driver clin­ics that gath­ered in­put from hun­dreds of driv­ers. In­ter­na­tional used this re­search to de­sign an all-new in­te­rior, and iden­ti­fied mul­ti­ple new and im­proved fea­tures that en­hance driver ap­peal.

“To en­sure the new LT Se­ries is the most driver-cen­tric Class 8 ve­hi­cle we’ve ever built, we gave driv­ers a voice in its de­sign,” said Jeff Sass, se­nior vice pres­i­dent, sales and mar­ket­ing, Nav­is­tar.

“Many of our cus­tomers tell us that their num­ber-one chal­lenge is at­tract­ing and re­tain­ing driv­ers, which is why we put so much ef­fort into un­der­stand­ing and re­spond­ing to driv­ers’ needs. These im­prove­ments also con­trib­ute to in­creased driver ease of use that will boost the ve­hi­cle’s pro­duc­tiv­ity.”

Based on a care­ful re­view of more than 500 points where the driver and truck in­ter­act, the highly er­gonomic in­te­rior of the LT Se­ries in­cludes bet­ter el­bow room, hip room and leg room. Driver in­put also led to a smart, well-de­signed mix of high-tech and tra­di­tional fea­tures that em­pha­sise driver ease of use. The re­designed in­te­rior fea­tures a new pre­mium gauge clus­ter with a dig­i­tal driver dis­play that places ev­ery­thing within com­fort­able reach, while of­fer­ing driv­ers real-time mon­i­tor­ing of fuel econ­omy and other im­por­tant alerts in clear sight. The new dis­play also of­fers up to 15 cus­tomis­able dig­i­tal gauges.

In ad­di­tion, the air horn was re­lo­cated back to its tra­di­tional, in­tu­itive po­si­tion over the driver door in re­sponse to over­whelm­ing driver feed­back.

The same aero­dy­namic im­prove­ments that boosted the LT Se­ries’ fuel ef­fi­ciency also yielded a four-Sone de­crease in wind noise, which elim­i­nates noise harsh­ness for im­proved driver com­fort.

Mul­ti­ple im­prove­ments are de­signed for im­proved safety, in­clud­ing stan­dard LED head­lamps to im­prove night vi­sion, a col­umn-mounted gear-shifter that al­lows driv­ers to keep their eyes on the road, and a re­designed one-piece side win­dow that af­fords the driver a clearer line of sight. In ad­di­tion, the Bendix Wing­man Ad­vanced Col­li­sion Mit­i­ga­tion sys­tem comes stan­dard in the LT Se­ries.

Best-in-class up­time

The LT Se­ries was de­signed with the goal of best-in-class up­time, mean­ing keep­ing the truck on the road and fa­cil­i­tat­ing quick ser­vice when the need arises. To drive im­proved up­time, In­ter­na­tional care­fully re­viewed re­li­a­bil­ity data and other data col­lected from OnCom­mand Con­nec­tion, the com­pany’s lead­ing-edge re­mote diagnostics sys­tem, and made mul­ti­ple en­hance­ments to sup­port in­creased re­li­a­bil­ity and ser­vice­abil­ity.

“We pored over re­li­a­bil­ity data to eval­u­ate nearly ev­ery sin­gle sys­tem on our on-high­way plat­form, in or­der to look for ways to get bet­ter,” said Denny Mooney, se­nior vice pres­i­dent, global prod­uct de­vel­op­ment, Nav­is­tar.

“In some cases, we com­pletely re­designed the en­tire sys­tem to reach our goals. We are proud of the in­te­grated, data-driven ap­proach we used to as­sure im­proved re­li­a­bil­ity, ser­vice­abil­ity and pro­duc­tiv­ity.”

Many of the truck’s new fea­tures were de­signed to im­prove re­li­a­bil­ity and ser­vice­abil­ity, as well as func­tion­al­ity. For ex­am­ple: The new sin­gle-can­is­ter af­tertreat­ment sys­tem is not just 60 per­cent smaller and 40 per­cent lighter, but is also sim­pli­fied for quicker ser­vic­ing. The new LED head­lamps and fog lamps not only de­liver brighter light and in­ten­sity, but also have tough new poly­car­bon­ate head­light lenses that pro­tect them against break­age. The cab wiring in­cludes all-new har­ness­ing and an in-cab power dis­tri­bu­tion mod­ule that is in­side the truck, away from the el­e­ments. All key ser­vice points un­der the hood, in­side the cab and around the ve­hi­cle are er­gonom­i­cally de­signed for easy ac­cess and ser­vic­ing, and many com­po­nents have been en­gi­neered with longer in­ter­vals be­tween re­quired main­te­nance.

Fuel ef­fi­ciency

The LT Se­ries fea­tures dra­mat­i­cally im­proved aero­dy­nam­ics and pro­vides fuel ef­fi­ciency that is seven per­cent bet­ter than the com­pany’s most re­cent fuel econ­omy leader, a 2017 ProS­tar with the Cum­mins ISX15 en­gine.

In­ter­na­tional has al­ways placed a strong em­pha­sis on in­dus­trylead­ing aero­dy­nam­ics as a solid foun­da­tion for fuel ef­fi­ciency, and the LT Se­ries de­liv­ers three per­cent im­prove­ment in fuel econ­omy due to its aero­dy­namic ben­e­fits alone. Up­graded aero­dy­namic fea­tures on the new In­ter­na­tional LT Se­ries in­clude an aero-con­toured hood, fender, wheel open­ing and chas­sis skirts and an aero-en­hanced three-piece front bumper, while longer side ex­ten­ders shorten the trailer gap.

Aero­dy­nam­ics in the LT Se­ries were fine-tuned us­ing mul­ti­ple ad­vanced test­ing meth­ods, in­clud­ing com­pu­ta­tional fluid dy­nam­ics, one-eighth scale and full-size wind tun­nel and coast-down test­ing, to as­sure that the ve­hi­cle would per­form well fac­ing winds not just head-on, but also at an an­gle. In fact, the higher the yaw an­gle of the wind, the bet­ter the LT Se­ries per­forms against the com­pe­ti­tion.

Cen­tral to the ad­vances of the In­ter­na­tional LT Se­ries are ad­vanced driver as­sis­tance sys­tems that sup­port safety and ef­fi­ciency goals and pave the way for ad­di­tional cus­tomer-se­lected op­tions.

The Bendix Wing­man Ad­vanced Col­li­sion Mit­i­ga­tion sys­tem comes stan­dard with ev­ery model in the se­ries, and is also avail­able with the op­tional Bendix Wing­man Fu­sion and Mer­i­tor WABCO OnGuardAc­tive sys­tems.

In­ter­na­tional’s own pre­dic­tive cruise con­trol looks ahead of the ve­hi­cle and recog­nises the ter­rain and con­tin­u­ously cal­cu­lates the most ef­fi­cient speed and gear for op­ti­mal fuel econ­omy in real time. Un­like con­ven­tional pre­dic­tive cruise tech­nol­ogy, In­ter­na­tional pre­dic­tive cruise con­trol uses pre­in­stalled GPS maps and the lat­est com­mer­cial route data to make ad­just­ments to cruis­ing speed with­out the need to pre-drive the route.

The so­phis­ti­cated new elec­tronic con­trol sys­tems also use pro­gram­mable pa­ram­e­ters to op­ti­mize ef­fi­ciency. Driver con­trols and in­stru­men­ta­tion are based on ro­bust in­dus­try-stan­dard SAE J1939 elec­tri­cal ar­chi­tec­ture, with a new clus­ter and switches de­signed to keep driv­ers fo­cused and max­i­mize up­time.

Mul­ti­ple con­fig­u­ra­tions

The LT Se­ries will be of­fered in mul­ti­ple con­fig­u­ra­tions, in­clud­ing day cab, 142cm low roof sleeper, 142cm hi-rise sleeper, 185cm hi-rise sleeper and 185cm skyrise sleeper. It will of­fer cus­tomers a choice of en­gines that pro­vide pre­mium per­for­mance.

The LT Se­ries is be­ing launched with the new 2017 Cum­mins X15 en­gine, which has power rat­ings of up to 373kW in the ef­fi­ciency se­ries and up to 422kW in the per­for­mance se­ries. It is also be­ing launched with the new 2017 Nav­is­tar N13 en­gine, which will be avail­able early next year, and has an ad­vanced fuel-ef­fi­cient 13-litre de­sign that pro­duces up to 353kW and 2,372Nm. of torque from a de­sign that is 225-270kg lighter than tra­di­tional big bore en­gines.

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