Specifications include, but are not limited to: The tool carrier shall have a bucket for loading and handling materials in low and narrow environments.; The tool carrier shall be remote controlled and able to work in narrow areas and on slopes up to 50°.; The control panel shall have color icons and be operational with gloved hands.; The remote control shall have a communication range of 475 ft or greater.; The machine shall have switched LED work lights for forward and reverse use in dark spaces; The machine shall have an LED flashing, or simulated, rotating warning light.; The engine shall be a minimum 40 HP EPA Tier 4f diesel.; The engine oil sump and pressure system shall ensure lubrication even on steep slopes.; The engine shall have a reversible, self-cleaning fan to clear debris such as dust and leaves.; The machine shall have rubber tracks for grip on slopes, heavy vegetation, or mud and snow.; The tracks shall have a hydraulic tensioning system to maintain efficient operation on both steep slopes and level terrain.; The tool carrier shall have hydraulic fast quick couplers to optimize ease of tool changes.; The machine shall have roll-over protection and fully enclosed body panels to keep out grass and debris. The bottom shall be smooth and flat to protect engine from the bottom.; The tool lifter shall have a quick attachment/detach mounting system for accessories.; The tool carrier shall have a bucket compatible with the quick attach mounting system and mating hydraulic quick couplers.; The bucket working width shall not be wider than 60” and shall have a hydraulic tipping system to maximize unloading product.; The minimum bucket capacity shall be no less than 6.5 cubic feet.