Parts Catalogue

ManualsBrandsToro ManualsTrenchersToro 22973G

PartsCatalog

FormNo.3390-503RevA

TRX-20Trencher

ModelNo.22973—SerialNo.315000001andUp

ModelNo.22973G—SerialNo.315000001andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3390-503*A

Summary of content (40 pages)

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Form No. 3390-503 Rev A Parts Catalog TRX-20 Trencher Register at www.Toro.com. Original Instructions (EN) Model No. 22973—Serial No. 315000001 and Up Model No. 22973G—Serial No.
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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.
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Contents Main Frame Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Track and Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Hydraulic Pump Assembly No. 117-6409. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Main Frame Assembly 3390-503A 4 02
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Main Frame Assembly (continued) Ref. 1 1:2 1:3 1:4 2 2:1 3 4 5 6 6:1 7 8 9 10 11 Part Number Qty. Description 127-9602 1 Main Frame ASM 100-4650 1 Decal-Warning 93-7814 2 Decal-Danger 93-6686 1 Decal-Oil, HYD 114-3075 1 Sight Glass ASM 237-79 1 O-Ring 5 Nut-Tinnerman 105-4886 115-6503-01 1 Cover-Rear 119-4566-03 1 Plate-Cover, Front 354-120 1 Fitting-HYD, 90 DEG 237-79 1 O-Ring 114-3042 1 Hose-Breather 68-6150 1 Breather 2412-36 2 Clamp-Hose 3234-11 2 Screw-HHF 323-12 1 Screw-HH Ref.
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Track and Drive Assembly 3390-503A 6 03
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Track and Drive Assembly (continued) Ref. 1 2 3 4 5 6 7 7:1 7:2 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 25 26 26:1 26:2 27 27:1 Part Number Qty.
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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.
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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.
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Hydraulic Motor Assembly No.
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Hydraulic Motor Assembly No. 104-8470 (continued) Ref. 1 2 Part Number Qty. Description 115-4061 1 Seal Kit 3257-42 1 Key-Woodruff Ref. 3 4 11 Part Number Qty.
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Engine Assembly 3390-503A 12 05
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Engine Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 9:1 10 11 12 13 14 15 16 17 18 19 19:1 20 21 22 23 24 26 27 28 29 30 31 32 33 34 35 Part Number Qty.
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Gear Pump Assembly No. 114-3072 Ref. 1 2 3390-503A Part Number Qty.
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Parking Brake Assembly Ref. 1 2 3 4 4:1 4:2 4:3 5 04 Part Number Qty. Description 114-2972-03 1 Bar-Brake 114-2975 1 Link-Mounting 117-6421-03 1 Handle-Brake 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 15 Part Number Qty.
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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 3390-503A Part Number Qty.
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Control Assembly (continued) Ref. 44 45 46 47 48 49 50 06 Part Number Qty. Description 115-6628 1 Plate-Arm, Return, LH 115-6637 1 Pivot-LH 3296-39 2 Nut-Lock, NI 3290-456 2 Washer-Belleville 3273-14 2 Screw-HSH 3256-3 2 Washer-Flat 94-3559 2 Screw-HSH Ref. 51 52 53 54 55 56 57 17 Part Number Qty.
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Trencher Assembly Ref. 1 1:2 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 3390-503A Part Number Qty.
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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.
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Control Tower Assembly (continued) Ref. 59 60 61 62 3390-503A Part Number Qty. Description 3290-307 1 Pin-Cotter 3210-7 1 Screw-HH 3220-2 2 Nut-Jam 117-6271 1 Decal-Side, RH Ref. 63 64 65 66 20 Part Number Qty.
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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 Lever-Auxiliary 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.
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2-Spool Valve Assembly No. 115-4062 Ref. 1 3 4 5 6 7 8 9 10 11 12 3390-503A Part Number Qty.
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Oil Cooler Assembly Ref. 1 2 3 4 5 6 7 8 9 10 Part Number Qty. Description 117-6296-01 1 Mount-Cooler 104-2809 1 Fan 321-3 8 Screw-HH 98-4695 4 Spacer 105-0352 1 Exchanger-Heat 131-0733 8 Clamp-Cooler, Oil 3296-29 4 Nut-Lock, NI 32104-95 4 Screw-HWH 119-4633-01 1 Cover-Cooler Ref. 10 11 12 13 14 16 18 18:1 23 Part Number Qty.
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Electrical Assembly 3390-503A 24 13
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Electrical Assembly (continued) Ref. 1 1:1 1:2 1:3 1:4 2 3 4 4:1 4:2 5 6 7 8 9 10 11 12 13 Part Number Qty.
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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 3390-503A Part Number Qty.
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Cylinder and Crankcase Assembly Ref. 130 130A 172 214 670 11004 11008 11008A 11022 11022A 11061 11061A 13272 14091 16126 27012 2 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 120-7478 1 Cylinder Head No.1 ASM 120-7479 1 Cylinder Head No.2 ASM 119-5803 1 Case-Rocker (No.1) 119-5804 1 Case-Rocker (No.
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Piston and Crankshaft Assembly Ref. 13001 13002 13008 13031 13251 92033 92151 3390-503A Part Number Qty.
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Valve and Camshaft Assembly Ref. 130 312 11055 12004 12005 12009 12011 12016 12032 13070 13116 13271 4 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.
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Lubrication Equipment Assembly Ref. 555 670 13272 14075 16154 16154A 49065 49065A 59231 92066 92066A 92140 92145 92153 92153A 3390-503A Part Number Qty.
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Cooling Equipment Assembly Ref. 14037 49089 49089A 55020 59041 59066 92009 92039 92153 6 Part Number Qty.
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Electric Equipment Assembly Ref. 130 510 21066 21171 21193 26011 26031 26031A 3390-503A Part Number Qty. Description 95-9893 4 Bolt-Flanged (6X20) KW10163 1 Key-Woodruff 120-7356 1 Regulator-Voltage 119-5872 2 Ignition Coil ASM 120-7491 1 Flywheel ASM 120-7492 1 Wire-Lead (L=95) 119-5876 1 Harness 120-7493 1 Harness Ref. 59031 92009 92066 92070 92072 92151 92172 92200 32 Part Number Qty.
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Control Equipment Assembly Ref. 214 311 312 411 13107 13271 16171 39129 49103 8 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 120-7495 1 Link 120-7496 1 Spring-Governor 120-7431 1 Arm-Governor Ref. 49113 92145 92145A 92150 92151 92153 92153A 92170 33 Part Number Qty.
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Carburetor Assembly Ref. 130 172 11061 11061A 11061B 11061C 13107 15004 16014 16020 16025 16030 16031 16041 16041A 3390-503A Part Number Qty.
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Air Filter and Muffler Assembly Ref. 461 11011 11013 11013A 11060 11061 16060 92015 92055 10 Part Number Qty. Description 119-5962 4 Washer-Spring (8Mm) 120-7477 1 Case-Filter, Air 120-7501 1 Element-Filter, Air 120-7502 1 Element-Filter, Air 119-5948 2 Gasket-Muffler 115-6426 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 35 Part Number Qty.
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Fuel Pump and Filter Assembly Ref. 42036 49019 49040 92009 92170 92171 92192 92192A 92192B 3390-503A Part Number Qty. Description 119-5963 1 Sleeve 121-4570 1 Filter-Fuel 119-5965 1 Pump-Fuel 119-5879 2 Screw 119-5967 6 Clamp 119-5968 1 Clamp 119-5969 1 Tube (6.35X12.7X185) 119-5970 1 Tube (6.4X12.7X150) 120-7516 1 Tube (6.35X12.
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Starter Assembly Ref. 130 16146 16146A 21080 21163 27012 32085 59051 92093 92145 92154 92210 92210A 12 Part Number Qty.
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Label Set Ref. Part Number Qty.
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Attachments and Accessories For 22973 TRX-20 Trencher Product Name Model/Part Crumber Kit .......................................................................................................................................... 22477 24in Trencher Boom ............................................................................................................................. 22975 36in Trencher Boom .........................................................................................................
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