Hello all!

This is my replica of a Kenworth K100 (Well, it's actually a K123) Cabover Semi Tractor. It features a fully modeled Detroit Diesel 12V71 engine complete with twin roots blowers, exhaust manifolds, starter motor, cooling fan, and all associated plumbing. The truck also features a fully modeled cab and interior complete with air suspension seats, a bed, sun visors a fully functional control panel, dashboard, steering wheel, turn signal stock, shifter, pedals, and is topped with an unpleasantly scented air "freshener."
The chassis features a ladder frame with a beam axle front suspension system complete with fully functioning leaf springs and steering linkage alongside a complex walking beam rear suspension system featuring functioning leaf springs and drive shafts.
The truck is also detailed with quadruple horns, exterior mirrors, mirror antennas, roof marker lights, cab mounted turn signals, body steps, an air line mount, twin intake snorkels with air filters, twin exhausts with heat shields, mud flaps, a custom sun visor, custom rear wheel fenders, custom rims, New York plates, and a Kenworth badge mounted above the grille.
The body is also decorated in a custom quad-tone paint scheme.

Behind the tractor is a highly detailed dry van trailer complete with functional doors, door latches, trailer landing gear with animated crank, a spare wheel, marker lights, a New York license plate, spare wheel, and is wrapped in a custom paint scheme featuring twin black stripes.
The trailer also sits atop a highly detailed and fully functional leaf sprung tandem axle suspension system.

History:

The K100 was introduced in 1961 and was initially named the K900. The K in K100 is a nod to one of the company's founders, Harry Kent. It, alongside it's sister truck, the W900, were adverstised as multi-purpose workhorses featuring free-fit bolted frames, piano hinged doors, and a multitude of axle and suspension configurations. The K100's cabover design maximized visibility and maneuverability with it's shorter wheel base compared to conventional cab semi tractors. The K100 was revised several times until the end of it's production in 2003.

Operation:

Pitch and Roll to drive.
Act 1 and 2 - Turn signals.
Act 3 - Reverse lights.
Act 4 - Couple/Uncouple trailer.
Act 5 - Toggle pintle hitch coupler.
Act 6 - Open/Close trailer doors.
Act 7 - Toggle PTO (Not currently utilized)
Act 8 - Toggle running lights.
Landing Gear - Tilt cab.

To couple trailer, simply back the Semi and line up the fifth wheel with the trailer receiver. Once in place, toggle activation group 4.

The truck also features buttons and switches in the interior and on the exterior of the truck and trailer:
You can tilt the cab by clicking on the handles located on the front of the cab below the windshield.
You can couple and the trailer by clicking on the trailer air brake button, clicking a button on the left of the fifth wheel, or by clicking the knob of the trailer landing gear's crank.
You can also open the trailer's doors by clicking on their door handles.

Just a fair warning, despite what the part number says, this build is just shy of 2,800 parts, so lower spec devices may be displeased and retaliate with low frames.