A D-9 Cat can easily pull a harrow.
"Lumina, a startup founded by 25-year-old entrepreneur Ahmed Shubber, unveiled its first electric bulldozer, the ML6 Moonlander.
The 32-ton prototype, assembled in the UK from nearly 200 suppliers, matches the footprint of a Caterpillar D6 but delivers the power of a D9.
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It operates for up to 10 hours and recharges to full in 75 minutes using a 300-kilowatt charging station. Inspired by Tesla and Waymo, Lumina is developing both hardware and software in-house to enable future autonomous capabilities."