CATALOG NUMBER 24 THE A20 IS A 10-BOLT MEDIUM-DUTY, CLUTCH SHIFT PTO rated for up to 415 lbs.ft. torque intermittent/continuous and features various product improvements allowing for easier installation and a more durable PTO for Allison 3000 and 4000 Series transmissions. THE A30 IS A 10-BOLT MEDIUM-DUTY, CONSTANT DRIVE PTO designed as a functional replacement to front, crankshaftdriven hydraulic pump applications, and boasts up to 415 lbs.ft. torque intermittent/ continuous for heavy-duty applications. A20 SERIES A20 SERIES A30 SERIES INTERNALS A30 SERIES INTERNALS ROTATABLE REAR COVER MAXIMIZED GEAR DESIGN PROVEN CLUTCH PACK DESIGN TAPERED ROLLER BEARINGS INCREASED OUTPUT SHAFT DIAMETER INCREASED OUTPUT SHAFT DIAMETER MAXIMIZED GEAR DESIGN TAPERED ROLLER BEARINGS PTO for Allison Transmissions 3000/4000 Series
KEY FEATURES TORQUE & HORSEPOWER RATINGS TARGET MARKETS • Rotatable pump flange • Increased clearance for easier installation • Shift cover allowing 360-degree rotation • Tapered roller bearings increasing the life of the PTO • Reduced leak paths • Maximized gear design for noise reduction • Single intermittent/continuous torque rating • Dump & Construction • Fire & Rescue • Refuse • Utility • Tow & Recovery • Snow & Ice • Bulk Hauling • Three housing arrangements • Extended length PTO mounting fasteners • Compatible with EX Drive shaft extension • Tool Kit available for easier installation • Increased output shaft diameter for higher durability • A20 Series available with Muncie Start® to eliminate torque spikes SPEED RATIO 3000 SERIES ENGINE % 4000 SERIES ENGINE % NTERMITTENT/ CONTINUOUS HP (KW) @ 1,000 RPM INTERMITTENT/ CONTINUOUS TORQUE LBS.FT. (NM) 05 74 105 77 (57) 400 (542) 06 85 122 77 (57) 400 (542) 07 99 141 79 (59) 415 (563) 08 114 163 69 (51) 360 (488) 09 122 175 65 (48) 340 (461) 10 131 187 59 (44) 310 (420) 11 151 215 52 (39) 275 (373) 12 162 231 50 (37) 265 (359) 15 201 287 39 (29) 205 (278) TORQUE & HORSEPOWER RATINGS SPEED RATIO 3000 SERIES ENGINE % 4000 SERIES ENGINE % INTERMITTENT/ CONTINUOUS HP (KW) @ 1,000 RPM INTERMITTENT/ CONTINUOUS TORQUE LBS.FT. (NM) 05 74 105 77 (57) 400 (542) 06 85 122 77 (57) 400 (542) 07 99 141 79 (59) 415 (563) 08 114 163 69 (51) 360 (488) 09 122 175 65 (48) 340 (461) 10 131 187 59 (44) 310 (420) 11 151 215 52 (39) 275 (373) 12 162 231 50 (37) 265 (359) 15 201 287 39 (29) 205 (278) KEY FEATURES • Rotatable pump flange • Increased clearance for easier installation • Shift cover allowing 360-degree rotation • Tapered roller bearings increasing the life of the PTO • Reduced leak paths • Maximized gear design for noise reduction • Single intermittent/continuous torque rating • Three housing arrangements • Extended length PTO mounting fasteners • Compatible with EX Drive shaft extension • Tool Kit available for easier installation • Increased output shaft diameter for higher durability • A20 Series available with Muncie Start® to eliminate torque spikes INSTALLATION TOOL KIT Created for Muncie Power Products’ A20 and A30 Series PTOs. Available to order. • 49TK6580: Torque wrench, tool bag, and all required tools • 49TK6581: Tool bag and all required tools (without torque wrench) TARGET MARKETS • Dump & Construction • Fire & Rescue • Refuse • Utility • Tow & Recovery • Snow & Ice • Bulk Hauling Use Shift Code: SX – 12 V Muncie Start® Integral SR – 12 V Muncie Start® Remote Mount Note: The Muncie Start® is not available for the A30 Series INSTALLATION TOOL KIT
“1X” OUTPUT – 1¼" Round Keyed Shaft “BB” OUTPUT – SAE “B” ⅞ "-13T, SAE “B” 2- & 4-Bolt “CB” OUTPUT – Special Shaft Extension Flange “PB” OUTPUT – SAE “BB” 1 "-15T, SAE “B” 2- & 4-Bolt “ZB” OUTPUT – SAE “C” 1¼" -14T, SAE “B” 2- & 4-Bolt “BB” OUTPUT - SAE “B” -13T, 2- & 4- BOLT SAE “B” “CB” OUTPUT - SAE “C” 1.25" - 14T, 2- & 4- BOLT SAE “B” “PB” OUTPUT - SAE “BB” 1" -15T, 2- & 4- BOLT SAE “B” “ZB” OUTPUT - SAE “C” 1.25" -14T, 2- & 4- BOLT SAE “B” ½" - 13 UNC-2B (6 PLC’S) 3.10 [78.7] 3.36 [85.2] 1.25" RND SHAFT W/ 5⁄16" KEY 1.88 [47.9] 3.10 [78.7] 3.36 [85.2] 1.25" RND SHAFT W/ 5⁄16" KEY 1.88 [47.9] 0.3188.1 THRU ON 3.307" [84] B.C. EQUALLY SPACED 2.873 73 2.243 57 0.077 1.9 1.907 48.4 0.699 17.7 0.312 7.9 5.973 151.7 1½"-10T SPLINED SHAFT 0.440 11.2 ON 3.750 [95.3] B.C. 80° 80° 2.874 73 0.312 7.9 2.751 69.9 2.380 60.5 0.623 15.8 0.082 2.1 5.974 151.7 1½"-10T SPLINED SHAFT “X2” OUTPUT – 1½" -10T, DIN Companion Flange “X4” OUTPUT – 1½" -10T, 1410 Companion 80.0 M12x1.75 TAPPED 80.0 102.7 "I" DIN 5462 36MM 8SPL SPLINED SHAFT 4.05 3.15 3.15 80.0 3.15 “II” OUTPUT - DIN 5462 “2I” OUTPUT – DIN 5462 EURO with M12 Tap Hole 4.2 106 ⅜"-16 UNC-2B (2 PLC’S) 3.5 89 3.3 83 0.5 13 “AA” OUTPUT - SAE “A” ⅝" 9T, 2-BOLT SAE “A” “BA” OUTPUT - SAE “B” ⅞" 13T, 2-BOLT SAE “A” “TA” OUTPUT - SAE ¾" - 11T, 2-BOLT SAE “A” “AA” OUTPUT – SAE “A” ⅝" -9T Shaft, SAE-“A” 2-Bolt “BA” OUTPUT – SAE “B” ⅞" -13T, SAE-“A” 2-Bolt Flange “TA” OUTPUT – SAE ¾" -11T, SAE “A” 2-Bolt 5.7 146 ½" -13 UNC-2B (2 PLC’S) 3.5 89 4.0 102 0.8 21 “BS” OUTPUT - SAE “B” ⅞" - 13T SHAFT, SAE “B” 2-BOLT “PS” OUTPUT - SAE “BB” 1"-15T, SAE “B” 2-BOLT “BS” OUTPUT – SAE “B” ⅞" -13T Shaft SAE “B” 2-Bolt “PS” OUTPUT – SAE “BB” 1.0" -15T, SAE “B” 2-Bolt ½"-13 UNC-2B (4 PLC’S) "-11 UNC-2B (2 PLC’S) 5.0 1.2 31 3.9 100 7.1 181 6.2 156 6.2 156 “CC” OUTPUT – SAE “C” 1¼" -14T, SAE “C” 2- & 4-Bolt OUTPUT DIMENSIONS SAE OPTIONS DIN | REMOTE OPTIONS
MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI November 6, 2026 (24Muncie A20 &A30 Series PTO) MODEL NUMBER CONSTRUCTION A20-A10 07-HX 3 BB PX XX PTO Series A20 — Clutch Shift 10-Bolt A30 — Constant Drive 10-Bolt Transmission Input Gear Option A10 — Allison 3000/4000 Series Speed Ratios 05 — .54:1 06 — .63:1 07 — .73:1 08 — .84:1 09 — .90:1 10 — .97:1 11 — 1.11:1 12 — 1.19:1 15 — 1.48:1 Shift Options HX — 12 V Electric/Hydraulic 2015–2020 HR — 12 V Electric/Hydraulic Remote Mount JX — 24 V Electric/Hydraulic JR — 24 V Electric/Hydraulic Remote Mount XX — Electric/Hydraulic w/o Activation Components RS — Reduced Harness Muncie Start® RX — 12 V Reduced Harness (Wiring Pigtails Only) SX — 12 V Muncie Start® Integral SR — 12 V Muncie Start® Remote Mount H2 — 12V Electric/Hydraulic Hino 2021 & Newer S2 — 12 V Muncie Start® Hino 2021 & Newer MX — Constant Drive **** Flange Position Codes ** A1–T3—Custom Flange Position XX—Flange Shipped Loose Blank — Default Position Special Feature Options PX—Standard Hose Kit PW—Wet Spline & Standard Hose Kit *** BX—Top Opening Hose Kit BW—Top Opening Hose Kit Wet Spline XX—Delete Hose Kit Output Options 1X—1¼" Round Keyed Shaft 2I—DIN 5462 Euro with M12 Tap Hole ***** AA—SAE “A” ⅝" -9T, SAE “A” 2-Bolt ***** BA—SAE “B” ⅞" -13T, SAE “A” 2-Bolt BB—SAE “B” ⅞" -13T, SAE “B” 2- & 4-Bolt * BS—SAE “B” ⅞" -13T, SAE “B” 2-Bolt * CB—XSMC Shaft Extension Mount *, *** CC—SAE “C” 1¼" -14T, SAE “C” 2- & 4-Bolt * II—DIN 5462 * PB—SAE “BB” 1" -15T, SAE “B” 2- & 4-Bolt * PS—SAE “BB” 1" -15T, SAE “B” 2-Bolt * TA—¾" -11T, SAE “A” 2-Bolt X2—1½" -10T, DIN 100 Companion Flange X4—1½" -10T Male, 1410 Companion Flange XX—1½" -10T Male, for Companion Flange ZB—SAE “C” 1¼" -14T, SAE “B” 2- & 4-Bolt * Assembly Arrangements 1—Right Side Shaft Low 3—Left Side Shaft Low 5—No Offset (Straight Out From Opening) * Wet Spline Option Available ** Special Flange Arrangement Example: A1 or T3: for proper code selection adjust flange to the ideal position and note the letter that aligns centered with the marked dots. *** Use with Shaft Extension **** Only option available for A30 Series PTO, not available for A20 ***** Not available for A30
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