1974 Caterpillar 621J Paddle Wheel Scraper. This paddle wheel scraper is 21 feet in length- Has 250 hours on the engine- Automatic transmission- Equipped with new chains and paddles- Radio tiers on the front- New tires have been installed- Clear title- Everything works fantastic- Yellow outside paint- Overall interior condition - excellent- Overall exterior condition - outstanding- Transmission still in good condition- This scraper has been well preserved- Tires in great condition. Found in Delta Junction AK. Funding Nationwide Shipping And Warranties Available To Qualified Buyers Stock Number: H102910E DEALERID: 49 model: 621J Paddle Wheel Scraper make: Caterpillar.