by John Wasinski
Ingmarsan’s red tractor image from Fotolia.com
The Perkins A4.248 is a liquid-cooled four-cylinder diesel engine used in Massey-Ferguson and Landini tractors. Perkins Engine was owned by Massey-Ferguson from 1959 to 1998, and Landini was a Massey-Ferguson subsidiary from 1960 to 1990.
The standard A4.248 is naturally aspirated, with a 16: 1 compression ratio. As the name suggests, it has a 248 cubic inch displacement. Its bore and stroke is 3.975 inches by 5.00 inches. A turbo version is also available. The Perkins A4.248 can be combined with an 8F-2R transmission, 12F-2R transmission, 16F-12R transmission, 18F-6R transmission, and others.
Horsepower and torque
The Perkins 248 generally produces between 55 and 90 horsepower, depending on the vehicle. The non-turbocharged A4.248 produces a maximum of 80 horsepower at 2,200 rpm and 220.5 pound-feet of torque at 1,380 rpm. With the turbocharger, power increases to 90 horsepower at 2,200 rpm and 239 pound-feet of torque at 1,590 rpm. On the MF-394 farm tractor, this Perkins engine is rated at 73 horsepower. According to the Blue Book Tractor, in the 2001 four-wheel drive MF-4225 tractor, the Perkins 248 produces 55 horsepower. The highest powered Perkins 248 engines are found in the Landini R8880, rated at 72.1 horsepower, and the Landini R90 Atlas rated at 79.2 horsepower.
Tractors with Perkins 248
Massey-Ferguson tractors using the Perkins A4.248 engine include the MF-275, MF-283, MF-290, MF-294, MF-383, MF-390, MF-394, MF-690, MF-4225 and MF-4235. The Perkins 248 is also used in the Landini DT70F, R70V, DT80GE, R80FP, R85LP, DT90GT, R90, R8830, DT8550, DT8860 and R8880.