THE TEREX TITAN
Paraphrased from an ‘Extreme Trucks’ Website:
The Terex Titan is the largest tandem-axle dump truck ever built. It is powered by a 16 cylinder locomotive engine that delivers 3300 horsepower. This is combined with a huge generator which delivers power to 4 traction engines, one located at each of its rear wheels. The generator produces enough power to supply 250 homes with electricity.
Terex Titan Specifications:
Height: 22.5 ft Height With Box Raised: 56 ft
Length: 66 ft Width: 25 ft
Weight: 260 tons Payload: 350 tons
Max Weight: 610 tons
Horse Power: 3300
Its Tires are 11.5’ in diameter and weigh 4 tons each.
Two greyhound buses and two full-size pick-up trucks can fit in its dump bed at the same time.
...I suppose the traction engines would qualify it as a ‘true’ hybrid...
LOL
I actually worked on the engineering on that truck back in the 70s.
It did use the traction motors for braking but had no energy storage.
The electricity generated from braking was turned into heat in resistive grids and dumped into the atmosphere with cooling fans.