Form No. 3372-290 Rev A Parts Catalog TRX-16 Register at www.Toro.com. Trencher Model No. 22972—Serial No. 312000001 and Up Model No. 22972G—Serial No.
Ordering Replacement Parts For example, a wheel assembly might be identified by reference number 6, the tire by 6:1, the valve by 6:2, and the wheel by 6:3. When you order the assembly identified by reference number 6, you receive all parts identified by reference numbers 6:1,6:2, and 6:3. However, you may also order any part individually. Reference numbers of this type appear in illustration and in parts lists.
Contents Main Frame Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Track and Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hydraulic Pump Assembly No. 117-6409. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Frame Assembly Ref. 1 1:2 1:3 1:4 1:5 2 2:1 3 4 5 6 6:1 7 8 9 10 11 12 13 14 3372-290A Part Number Qty.
Track and Drive Assembly Ref. 1 2 3 4 5 6 7 7:1 7:2 8 9 10 11 12 13 14 15 16 17 18 19 03 Part Number Qty.
Track and Drive Assembly (continued) Ref. 38 44 45 45:1 45:2 46 46:1 46:2 48 49 3372-290A Part Number Qty. Description 32128-42 4 Nut-HF 115-1297 1 HYD Hose ASM 340-77 1 Fitting-HYD, 90 DEG 237-22 1 O-Ring 237-42 1 O-Ring 340-86 1 Fitting-Tee 237-22 2 O-Ring 237-42 1 O-Ring 115-4002 2 Spacer 340-3 1 Adapter Ref. 49:1 49:2 50 51 51:1 51:2 52 53 53:1 54 6 Part Number Qty.
Hydraulic Pump Assembly No. 117-6409 Ref. 1 3 4 5 6 7 8 10 15 18 19 20 21 22 25 Part Number Qty. Description 115-4464 1 Housing Kit 106-8753 2 Pin-Headless, Straight 106-8754 4 Bolt-HF 106-8755 1 O-Ring 106-8756 1 Charge Pump Kit 104-2122 1 Gerotor ASM 106-8757 1 O-Ring 104-2111 2 Capscrew 106-8759 1 Bypass Valve Kit 103-2664 1 Input Shaft Kit 104-5311 1 Bearing-Ball 104-5310 1 Seal-Lip 104-5308 1 Spacer 104-5309 1 Ring-Retaining 103-2666 1 Cylinder Block Kit Ref.
Hydraulic Pump Assembly No. 117-6410 Ref. 1 3 4 5 6 7 8 10 15 18 19 20 21 22 25 Part Number Qty. Description 115-4464 1 Housing Kit 106-8753 2 Pin-Headless, Straight 106-8754 4 Bolt-HF 106-8755 1 O-Ring 106-8756 1 Charge Pump Kit 104-2122 1 Gerotor ASM 106-8757 1 O-Ring 104-2111 2 Capscrew 106-8759 1 Bypass Valve Kit 103-2664 1 Input Shaft Kit 104-5311 1 Bearing-Ball 104-5310 1 Seal-Lip 104-5308 1 Spacer 104-5309 1 Ring-Retaining 103-2666 1 Cylinder Block Kit Ref.
Hydraulic Motor Assembly No. 104-8470 Ref. 1 2 3 03A3 Part Number Qty.
Parking Brake Assembly Ref. 1 2 3 4 4:1 4:2 4:3 5 3372-290A Part Number Qty. Description 114-2972-03 1 Brake Bar ASM 114-2975 1 Link-Mounting 117-6421-03 1 Brake Handle ASM 103-4335 1 Brake Rod ASM 1-633131 2 Yoke-Linkage, Brake 103-3907 1 Linkage-Handle, Brake 3219-3 2 Nut-Hex 103-2399 1 Pin-Spring, Clevis Ref. 6 7 8 9 10 11 12 13 10 Part Number Qty.
Engine Assembly Ref. 1 2 3 4 5 6 7 8 9 9:1 10 11 12 13 13:2 14 15 16 17 18 19 05 Part Number Qty.
Engine Assembly (continued) Ref. 42 44 45 46 47 48 49 50 51 52 3372-290A Part Number Qty. Description 233-42 2 Knob 33114-016 2 Screw-HH 112-2844 3 Nut-HF 117-6278-03 1 Bracket-Guard, Muffler 117-6283-03 1 Muffler Shield ASM 117-6319 1 Muffler 33103-016 1 Screw-HHF 2412-36 1 Clamp-Hose 117-6401 1 Manifold 2112-11 1 Muffler Clamp ASM Ref. 56 57 58 59 60 63 64 65 66 67 12 Part Number Qty.
Gear Pump Assembly No. 114-3072 Ref. 1 2 05A4 Part Number Qty.
Control Assembly Ref. 1 2 3 3:2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 3372-290A Part Number Qty.
Control Assembly (continued) Ref. 44 45 46 47 06 Part Number Qty. Description 115-6628 1 Plate-Arm, Return, LH 115-6637 1 LH Pivot ASM 3296-39 2 Nut-Lock, NI 3290-456 2 Washer-Belleville Ref. 48 49 50 51 15 Part Number Qty.
Trencher Assembly Ref. 1 1:2 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 3372-290A Part Number Qty.
Hydraulic Motor Assembly No. 114-3053 Ref. 1 1:1 1:2 1:3 1:4 1:5 1:7 Part Number Qty.
Hydraulic Cylinder Assembly No. 112-2602 Ref. 1 1:1 1:2 1:3 1:4 1:5 1:6 1:7 Part Number Qty.
Control Tower Assembly Ref. 1 2 2:2 2:3 3 4 4:1 5 6 8 10 17 18 19 20 21 22 23 24 25 26 08 Part Number Qty.
Control Tower Assembly (continued) Ref. 59 60 61 62 3372-290A Part Number Qty. Description 3290-307 1 Pin-Hair 3210-7 1 Screw-HH 3220-2 2 Nut-Jam 117-6270 1 Decal-Side, RH Ref. 63 64 65 66 20 Part Number Qty.
Hydraulic Control Assembly Ref. 2 3 4 5 6 7 8 9 10 11 12 13 09 Part Number Qty. Description 115-4062 1 HYD Valve ASM 33114-060 1 Screw-HH 20-1620 2 Bearing-Wheel, Friction 104-2827 1 Spacer-Hiflo 112-2738 1 Spring-Torsion 112-2739 1 Auxiliary Lever ASM 112-2605 1 Grip-Rubber 112-7210 1 Bracket-Control 3290-467 2 Pin-Hair 322-3 4 Screw-HH 233-21 1 Knob 7 Nut-Lock, NI 3296-29 Ref. 14 15 16 17 18 19 20 21 22 23 24 21 Part Number Qty.
2-Spool Valve Assembly No. 115-4062 Ref. 1 3 4 5 6 7 8 9 10 11 12 3372-290A Part Number Qty.
Oil Cooler Assembly Ref. 1 2 3 4 5 6 7 8 9 10 Part Number Qty. Description 117-6296-01 1 Cooler Mount ASM 104-2809 1 Fan 321-3 12 Screw-HH 98-4695 4 Spacer 105-0352 1 Exchanger-Heat 105-3943 8 Clamp-Cooler, Oil 3296-29 4 Nut-Lock, NI 32144-4 4 Screw-HWH 119-4633-01 1 Cover-Cooler Ref. 10 11 12 13 14 16 18 18:1 23 Part Number Qty.
Hydraulic Routing Assembly Ref. 2 3 4 5 6 8 9 10 11 11:1 11:2 12 12:1 12:2 13 13:1 13:2 14 14:1 15 15:1 3372-290A Part Number Qty.
Electrical Assembly Ref. 1 1:1 2 3 3:1 3:2 4 5 7 8 9 10 12 Part Number Qty.
Cylinder and Crankcase Assembly Ref. 130 130A 172 214 670 11004 11008D 11008F 11022 11022A 11061 11061A 13272 14091 16126 27012 3372-290A Part Number Qty. Description 93-8548 10 Bolt-Flanged (6X25) 120-7406 6 Bolt-Flanged (8X70) 114-8658 4 Bolt-Stud (8X18) 115-6422 1 Screw-Pan (4X8) 95-9771 2 O-Ring (11Mm) 120-7400 2 Gasket-Head 120-7401 1 Cylinder Head No.1 ASM 120-7402 1 Cylinder Head No.2 ASM 119-5803 1 Case-Rocker (No.1) 119-5804 1 Case-Rocker (No.
Piston and Crankshaft Assembly Ref. 13001A 13002 13008 13025 13029 13031A 13251 92033 92151 3 Part Number Qty. Description 120-7407 2 Piston-Engine 108-2517 2 Pin-Piston 120-7408 2 Piston Ring Set 120-7409 1 Piston Ring Set (L,0.5) 120-7410 1 Piston Ring Set (L,0.
Valve and Camshaft Assembly Ref. 130 312 11055 12004 12005 12009 12011 12016 12032 13070 13116 13271 3372-290A Part Number Qty. Description 119-5845 4 Bolt-Flanged (8X14) 119-5846 4 Nut-Hex (6Mm) 119-5832 4 Bracket 120-7413 2 Valve-Intake 120-7414 2 Valve-Exhaust 108-2525 4 Retainer-Spring, Valve 95-9744 8 Collet 119-5835 4 Arm-Rocker 108-2527 4 Tappet 119-5836 1 Guide-Govenor 120-7415 4 Rod-Push 114-8671 1 Plate Ref.
Lubrication Equipment Assembly Ref. 555 670 13272 14075 16154 16154A 49065 49065A 59231 92066 92140 92145 92153 92153A 5 Part Number Qty.
Cooling Equipment Assembly Ref. 13272 14037 49089 49089A 59041 59066 92153 92153A 3372-290A Part Number Qty.
Electric Equipment Assembly Ref. 130 510 21171 21194 26031 59031 92004 92009 92066 92066A 92070 92072 92154 92172 92200 7 Part Number Qty. Description 95-9893 2 Bolt-Flanged (6X20) KW10163 1 Key-Woodruff 119-5872 2 Ignition Coil ASM 120-7425 1 Flywheel ASM 119-5876 1 Harness 120-7476 1 Coil-Charging 120-7426 2 Stud (6X74.6) 95-9716 2 Screw 115-6406 1 Plug 119-5820 1 Plug 92-2153 2 Spark Plug 115-6585 3 Band 120-7427 1 Bolt (12X30) 115-4030 4 Screw (5X20) 115-4031 1 Washer (12.
Control Equipment Assembly Ref. 214 311 312 411 13107 13271 16171A 39129 49103 3372-290A Part Number Qty. Description 115-6422 2 Screw-Pan (4X8) 114-8698 1 Nut-Hex (6Mm) 119-5894 2 Nut-Hex (5Mm) 115-6423 1 Washer-Plain (6Mm) 120-7428 1 Shaft 119-5883 1 Plate 120-7429 1 Link 120-7430 1 Spring-Governor 120-7431 1 Arm-Governor Ref. 49113 92145 92145A 92150 92151 92153 92153A 92170 32 Part Number Qty.
Carburetor Assembly Ref. 130 11061A 11061B 11061C 11061D 13107 15004A 16014 16020 16025 16030 16031 16041 16041A 16073 16186 9 Part Number Qty.
Air Filter and Muffler Assembly Ref. 461 11011 11013 11013A 11060 11061A 16060A 92015 92055 3372-290A Part Number Qty. Description 119-5962 4 Washer-Spring (8Mm) 120-7477 1 Case-Filter, Air 120-7447 1 Element-Filter, Air 120-7448 1 Element-Filter, Air 119-5948 2 Gasket-Muffler 120-7449 1 Gasket-Cleaner, Air 120-7450 1 Pipe-Intake 119-5954 2 Nut 120-7451 2 O-Ring Ref. 92066 92170 92173 92173A 92173B 92192 92192A 92210 92210A 34 Part Number Qty.
Fuel Pump and Filter Assembly Ref. 42036 49019 49040 92009 92170 92171 92192A 92192C 92192E 11 Part Number Qty. Description 119-5963 1 Sleeve 119-5964 1 Filter-Fuel 119-5965 1 Pump-Fuel 119-5879 2 Screw 119-5967 6 Clamp 119-5968 1 Clamp 119-5970 1 Tube (6.4X12.7X150) 120-7458 1 Tube (6.35X12.7X185) 120-7459 1 Tube (6.35X12.
Starter Assembly Ref. 130 13070 13165 13270 13272 13272A 32099 46075 49080 3372-290A Part Number Qty. Description 120-7474 2 Bolt-Flanged (8X25) 120-7460 1 Guide 120-7461 2 Pawl-Starter, Recoil 114-8689 1 Plate 120-7462 1 Plate 120-7463 1 Plate 120-7464 1 Case-Starter, Recoil 120-7465 1 Grip-Starter, Recoil 120-7466 1 Pulley-Starting Ref. 49088 59101 59106 92004 92009 92015 92033 92145A 92153 36 Part Number Qty.
Label Set Ref. Part Number Qty.
Attachments and Accessories For 22972 TRX-16 Trencher Product Name Model/Part Crumber Kit .......................................................................................................................................... 22477 24in X 4in Soil Chain............................................................................................................................. 22480 24in X 4in Combination Chain .............................................................................................
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