pusher tractor

pusher tractor

[′pu̇sh·ər ‚trak·tər]
(mining engineering)
A bulldozer exerting pressure on the rear of a scraper-loader while the loader is digging and loading unconsolidated ground during opencast mining.
References in periodicals archive ?
Contract award: supply, delivery and installation of various material recovery, bi carts temperature with preventive maintenance and associated pusher tractor electric heaters, brick carts clearing.