The John Deere 990 compact tractor was manufactured by JD in Japan. You may notice the trend of JD compacts from recent years being manufactured in Japan. It was quite well liked during it’s production run and it shows. The John Deere 790 is the smaller version in this series of compact utility tractors. The JD 990 was coming off the assembly line in Japan for 7 full years from 2000 until 2007. This compact tractor is powered by a Yanmar 4TNE84 diesel engine. This natural aspiration, 4 cylinder, 2 liter engine provides 40 hp to the rest of the tractor. It’s liquid cooled via a cooling system needing 5.8 liters of coolant to fully top it up.
The power from the engine is routed via a partially synchronized collar shift transmission. This transmission box requires 20.8 liters of oil. It’s 9 speeds going forward give it a maximum speed of 11.9 mph, while in reverse it can has 3 speeds that allow it to achieve a maximum speed of 7.7 mph while moving backwards. You can get the JD 990 with either a 4×2 2WD chassis or optionally a 4×4 MFWD 4WD chassis. The fuel tank on the John Deere 990 holds a maximum of 32.2 liters of diesel.
The 3 point hitch on the rear of the John Deere 990 compact tractor is a category 1 hitch that has a recommended maximum lift capacity of 713 kg (1573 lbs). The JD 990 utility tractor weighs 1440 kg (3175 lbs) if you are talking about the 4WD version. The 2WD version weighs less at 1176 kg (2594 lbs). The length of the tractor is just over 3 meters at 3.12 m (123 inches) and it’s wheelbase is 1.75 m (69 inches). The John Deere 990 is quite an easy tractor to deal with as it has an auto bleed fuel system which means that in the off chance that you run out of fuel, you will still be able to easily start the tractor after refilling. The 990 is compatible with a large range of attachments. For mowing, it can take a number of rear mounted mowers through the power take off (PTO) from a 25 inch model right up to a 62 inch mid mounted mower deck. It can also take a number of landscaping implements like harrows and rotary tillers.
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