LEGO 42078 Technic Mack Anthem

Product Information

There's a mechanism operated by the gear on the side to raise and lower the balancing wheel, for use when it's not attached to the tractor unit.

This LEGO Technic advanced building set is designed to provide an immersive and rewarding building experience. There is just one new part in the set: the gold bulldog hood ornament, which has a 1l Technic axle at the bottom to allow attachment. Now we turn our attention to the trailer. The chassis is a straightforward Technic build that comes together in no time. It's a rigid structure, thanks to the use of 3x11 panels. Features authentically designed bodywork, front-axle steering, rear wheel drive, 6 cylinder straight engine with moving pistons and spinning radiator fan, detailed driver's cab with opening doors, adjustable seats, steering wheel, dashboard, sun visors and a bunk bed, and adjustable wing mirrors.

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The front of the chassis is much more interesting. Unusually, the straight-6 engine, which is connected to the rear wheels, is not constructed using the normal cylinder parts. They would be too big, so instead axles with bushes on the top are employed, pushed up by a cam shaft made using six 2l beams with an axle hole. The bodywork is built using the parts in bags three and four. What becomes apparent during construction is that this is almost a hybrid Technic/System set. A lot of System parts have been used to create the curved lines around the front wheels, the headlight arrays, the steps to the cab. and the front grille.As a result the cylinder movement is not accurate because, as you'd expect given the parts used, the cam offset is 90 degrees, so during the cycle two cylinders 'fire', followed by another two, followed by one and then the last one. But it doesn't really matter... Features authentically designed bodywork, front-axle steering, rear wheel drive, 6 cylinder straight engine with moving pistons and spinning radiator fan, detailed driver’s cab with opening doors, adjustable seats, steering wheel, dashboard, sun visors and a bunk bed, and adjustable wing mirrors. This LEGO® Technic advanced building set is designed to provide an immersive and rewarding building experience.