C8.3 Commercial Marine and Ind [...] Maintenance Schedule Section 2 - Maintenance Guidelines Page 2-7 Truck crane/yard spotter Paver/crane/backhoe Dozer/scrape/skipper If Yes - Select the correct oil drain interval from Table 1. If No - Is the vehicle one of those listed below? Tractor/combine/irrigation equipment Generator set/air compressor/fire equipment If Yes - Select the correct oil drain interval from Table 2. If No - Select the correct oil drain interval from Table 3. Table 1, Oil Drain Intervals Vehicle/Equipment Kilometers Miles Hours Months Truck crane/yard spotter 10,000 6,000 250 3 Paver/crane/backhoe N/A N/A 250 3 Dozer/scraper/skidder N/A N/A 250 3