Terex excavator products and spare parts models range from compact units like the TC16 (3,800 lbs, 51.5 hp, 7'3" dig depth) and TC29 (6,450 lbs) to mid-size models like the TXC 340LC-1 (34,700 kg, 247 hp, 27.9 ft dig depth) , TX 210 (22,400 kg) , and the large RH340 mining excavator (34 m³ bucket capacity, 2,520 hp) . Terex Schaeff walking excavators (HS 41 M, HS 40 D) are also available . Key spare parts include hydraulic final drive motors for TC48, TC75, HR16, HR32, and TC37 models , undercarriage components , engine parts , and buckets and pins . Models feature the Knickmatik boom system and pilot-operated controls .