Nelson Wheel Loader. Mid 1970’s and believed to be a 400 series. This is a rigid frame rear wheel steer loader machine. The loader is powered with a Detroit diesel 6L-71 engine with 250 horse power. The wheel loader is 4 wheel drive with a power shift transmission and is equipped with a 5 yard bucket. The weight of the loader is approximately 38’000 lbs. The Nelson wheel loader needs breaks work but runs well and has a lot of power.