The TSF-1260, TSF-1280 and TSF-1290 are our highest capacity sprayers with 1250 gallons of onboard spraying capacity. The TSF-1260 is fitted with our rugged 60' boom for maneuverability and affordability. The TSF-1280 and TSF-1090 are both convertible to 60' for spraying in hard to reach areas or rough terrain.