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Cen IL | If I was you , I would put on the 4 cubic inch pump (AR 94661) . If you had the 3 cubic inch pump on before (AR94660), you will get more GPM from the 4 inch pump. To get the full volume of the 4 inch pump, you must have the larger charge pump in the back end. For the most part, the only time a 4840 came with the 4 cu in pump, was if it came with hydraulic front wheel assist. I replace my 3 cu in pump with a 4 and notice a nice bump in GPM. If I ever tear into the rear end, I will put in the larger charge pump. As mentioned, kin-tec would be a good choice. | |
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Reman or aftermarket hyd pump for 4840
