OTTO Excavator Parts Ex100 4Bd1 Diesel Grid Base 5132120700 513212-0700 5-13212070-0 For Isuzu OTTO provides excavator parts, particularly the diesel grid base designed for the Isuzu-powered excavator model EX100 that is fitted with the 4Bd1 diesel engine. This specific diesel grid base is identified by three corresponding part numbers, which are essential for parts identification, ordering, and procurement. The part numbers are 5132120700, 513212-0700, and 5-13212070-0.