设备型号	备注
344J	Piston (m) RE527039 Tier 2 & Tier 3
644 G	High Compression Piston. To ESN 199,999. Tier 1
644 H	High Compression Piston. To ESN 199,999. Tier 1
644 J	High Compression Piston. To ESN 199,999. Tier 1
724 J	High Compression Piston. To ESN 199,999. Tier 1
244H Loader	98mm Bore Non Turbo Direct Injection
304H	98mm Bore Non Turbo Direct Injection