{"product_id":"muncie-a20a1007hx31xpx-allison-pto-keyed-shaft","title":"Muncie A20A1007HX31XPX A20 Clutch-Shift PTO, Allison 3000\/4000, 0.73:1, 1-1\/4\" Keyed Shaft","description":"\u003cp\u003e\u003cstrong\u003eMuncie A20A1007HX31XPX\u003c\/strong\u003e is a medium-duty, 10-bolt clutch-shift PTO for compatible Allison 3000\/4000 Series transmissions. This configuration has a \u003cstrong\u003e1-1\/4-inch round keyed output shaft\u003c\/strong\u003e, HX 12 V electric\/hydraulic shift, and a standard hose kit. It is intended for a correctly sized shaft connection to driven equipment, with transmission fitment and available clearance confirmed for the vehicle.\u003c\/p\u003e\n\u003cp\u003eThe A10 input gear and ratio-07, 0.73:1 internal gearing produce application-specific output speeds. Arrangement 3 places the shaft on the left side and low. \u003cstrong\u003eA pump, coupling, driveline, and equipment-specific supports are selected separately.\u003c\/strong\u003e The 1X keyed-shaft output is not an SAE direct-mount pump flange.\u003c\/p\u003e\n\u003ch2\u003eA keyed shaft for a matched auxiliary drive\u003c\/h2\u003e\n\u003cp\u003eThe 1-1\/4-inch shaft uses a 5\/16-inch key for a suitable coupling or driveline. Match the driven equipment's required speed, torque, and rotation before choosing those components. Muncie's A20 series uses tapered roller bearings and a rotatable shift cover; the included HX\/PX activation components provide cab control and the transmission-pressure hose connection.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eFeature\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePractical benefit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eClutch-shift A20 design\u003c\/th\u003e\n\u003ctd\u003eEngages the auxiliary drive through the 12 V electric\/hydraulic control circuit.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e1-1\/4-inch keyed shaft\u003c\/th\u003e\n\u003ctd\u003eSupports a separately selected coupling or driveline for shaft-driven equipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eArrangement 3\u003c\/th\u003e\n\u003ctd\u003ePlaces the shaft left side and low relative to the PTO opening.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHX\/PX package\u003c\/th\u003e\n\u003ctd\u003eProvides the standard hose kit and 12 V activation components for this configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eA20A1007HX31XPX\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eA20-A1007-HX31XPX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries \/ mounting\u003c\/th\u003e\n\u003ctd\u003eA20 medium-duty clutch-shift; Allison 10-bolt opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInput gear \/ internal ratio\u003c\/th\u003e\n\u003ctd\u003eA10 for Allison 3000\/4000 Series; ratio 07, 0.73:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutput speed\u003c\/th\u003e\n\u003ctd\u003e99% of engine speed for the exact listed Allison 3000 application; 141% for listed compatible 4000 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutput rating\u003c\/th\u003e\n\u003ctd\u003e415 lb-ft continuous and intermittent; 79 hp at 1,000 PTO rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShift \/ arrangement\u003c\/th\u003e\n\u003ctd\u003eHX 12 V electric\/hydraulic; 3 left-side shaft-low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutput \/ hose option\u003c\/th\u003e\n\u003ctd\u003e1X: 1-1\/4-inch round shaft with 5\/16-inch key; PX: standard hose kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications and included components\u003c\/h2\u003e\n\u003cp\u003eMuncie's exact builder identifies an Allison 3000 Series 10-bolt application with a 6520-series serial prefix and 99% engine-speed output. The A10 series also covers compatible Allison 4000 configurations; the ratio-07 speed there is 141% of engine speed. Confirm the specific transmission, PTO opening, chassis clearance, and drive connection rather than using the series name alone for fitment.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eComponent or application\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSelection detail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAllison 3000 Series\u003c\/th\u003e\n\u003ctd\u003eExact builder lists serial prefix 6520xxxxxx, 99% engine speed, 415 lb-ft, and 79 hp.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAllison 4000 Series\u003c\/th\u003e\n\u003ctd\u003eRatio-07 series speed is 141% of engine speed; verify the exact transmission application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHX\/PX installation kit\u003c\/th\u003e\n\u003ctd\u003eCurrent 48TK6720 kit includes 30T43806 12 V switch assembly, pressure switch, wiring harness, Allison input cable, standard 28-inch hose kit, studs, gasket, and labels.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCab switch\u003c\/th\u003e\n\u003ctd\u003e30T43806 contains rocker 30T35687, bracket 36T42362, and faceplate 36T42380. Muncie Start and overspeed control are separate options.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eBefore ordering\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eCheck\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhy it matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eVerify the exact model, serial number, 10-bolt opening, and Allison PTO drive limits.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDrive connection\u003c\/th\u003e\n\u003ctd\u003eMatch the keyed shaft and 5\/16-inch key to a suitable coupling or driveline; confirm driven-equipment rotation and chassis clearance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeed and load\u003c\/th\u003e\n\u003ctd\u003eSize the driven system for the applicable 99% or 141% engine-speed relationship and 415 lb-ft PTO rating.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eActivation and plumbing\u003c\/th\u003e\n\u003ctd\u003eProvide 12 V power, connect the Allison PTO enable circuit while engaged, verify hose routing, and place the indicator in the operator's view.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNeed help confirming PTO fit and the shaft connection? Contact UnitedBuilt through online chat, email \u003cstrong\u003e\u003ca href=\"mailto:parts@unitedbuilt.com\"\u003eparts@unitedbuilt.com\u003c\/a\u003e\u003c\/strong\u003e, or call \u003cstrong\u003e\u003ca href=\"tel:+16022537750\"\u003e602-253-7750\u003c\/a\u003e\u003c\/strong\u003e with your transmission model and serial number, driven-equipment requirements, and chassis details.\u003c\/p\u003e","brand":"Muncie","offers":[{"title":"Default Title","offer_id":52853013643553,"sku":"0012717","price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/9245\/1361\/files\/A20_Muncie-Start.jpg?v=1781034661","url":"https:\/\/watertrucks.com\/products\/muncie-a20a1007hx31xpx-allison-pto-keyed-shaft","provider":"UnitedBuilt Equipment","version":"1.0","type":"link"}