You should start off comparing the kits parts for part, same pump except we use 100% methanol compatible seals (won't be a factor on a diesel) you can't go more than 50% on it anyways, Same fittings with the same specs, Better nozzle holder,
check valve included, More advanced controller and about 25% less in price.
You'll get the same horsepower for less, And with what you use your vehicle a dual nozzle set up is probably what your going to want to go with and are larger pump which will still be cheaper than a snow kit.