Form No. 3417-665 Rev B Parts Catalog 52in TITAN® HD Register at www.Toro.com. Original Instructions (EN) 1500 Series Riding Mower Model No. 74451—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 Frame and Roll-Over Protection System Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Roll-Over Protection System Assembly No. 126-9526. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Hydraulic Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frame and Roll-Over Protection System Assembly 3417-665B 4 A2
Frame and Roll-Over Protection System Assembly (continued) Ref. 1 3 8 8:2 8:3 8:4 8:5 Part Number Qty. Description 104-8300 2 Nut-HF, NI 109-9233 2 Bumper-Push-In, Rubber 126-4699 1 Frame ASM 109-6014 1 Decal-Routing, Belt 116-8588 2 Decal-Release, Drive 126-4363 2 Decal-Warning 127-6618 1 Strip-Seal Ref. 10 11 12 12:2 19 21 5 Part Number Qty.
Roll-Over Protection System Assembly No.
Roll-Over Protection System Assembly No. 126-9526 (continued) Ref. 1 2 3 3:2 4 5 Part Number Qty. 1 1 1 107-3069 1 116-0104 2 126-9209 2 Description Tube-Upright, RH ● Tube-Upright, LH ● Top Tube ASM ● Decal-Warning Pin-Spring Bolt-Shoulder Ref. 6 7 8 9 10 12 Part Number Qty.
Hydraulic Assembly 3417-665B 8 B2
Hydraulic Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 10 12 Part Number Qty. Description 135-0140 1 LH Transaxle ASM 135-0139 1 RH Transaxle ASM 104-8300 8 Nut-HF, NI 126-4687 4 Screw-HHF 3230-7 2 Bolt-CARR 116-5809 2 Spacer-Hydro 126-5896 2 Screw HHF 116-6833 1 Shaft-Spacer 1-303334 4 Washer-Spring 126-6266 2 Screw-Torx 109-2250 1 Tank-HYD Ref. 12:1 13 14 15 16 17 18 19 20 21 24 Part Number Qty.
LH Transaxle Assembly No.
LH Transaxle Assembly No. 135-0140 (continued) Ref. 1 2 2:1 3 4 5 6 7 Part Number Qty. Description 109-3321 1 Filter-Hydraulic 109-3278 1 Adapter-Straight 237-42 1 O-Ring 109-3540 1 O-Ring-Charge Seal Cover 109-5592 1 Spring 116-3872 1 Hub-Offset 109-3536 1 Nut-Hub 125-0059 1 Fan And Pulley Kit Ref. 7:1 7:2 7:4 8 9 10 99 99 Part Number Qty.
RH Transaxle Assembly No.
RH Transaxle Assembly No. 135-0139 (continued) Ref. 1 2 2:1 3 4 5 6 7 Part Number Qty. Description 109-3321 1 Element-Oil Filter, HYD 109-3278 1 Adapter-Straight 237-42 1 O-Ring 109-3540 1 O Ring-Seal 109-5592 1 Spring-Extension 116-3872 1 Hub-Offset 109-3536 1 Nut-Hub 125-0059 1 Fan And Pulley Kit Ref. 7:1 7:2 7:4 8 9 10 99 99 Part Number Qty.
Control Console and Guard Assembly 3417-665B 14 C2
Control Console and Guard Assembly (continued) Ref. 1 2 5 5:2 6 6:2 7 7:2 7:3 10 10:2 10:3 10:4 11 13 14 19 20 21 23 24 25 29 Part Number Qty.
Fuel Tank and Vent Hose System Assembly 3417-665B 16 D2
Fuel Tank and Vent Hose System Assembly (continued) Ref. 5 5:3 5:7 7 7:1 7:2 Part Number Qty. Description 126-8738 1 Vent Hose ASM 116-4769 1 Decal-Filter, Emissions 120-2235 1 Filter-Fuel 126-8740 1 Fuel Hose ASM 109-0302 1 Hose-Fuel 109-0678 1 Hose-Fuel Ref. 7:3 7:4 8 9 10 17 17 Part Number Qty.
Fuel Tank Assembly No.
Fuel Tank Assembly No. 126-4724 (continued) Ref. 2 3 4 Part Number Qty. Description 46-6560 2 Bushing 126-9057 1 Fitting-90 DEG 116-4630 1 Fitting-Orifice, Straight Ref. 5 6 7 19 Part Number Qty.
Seat Mount Assembly 3417-665B 20 F2
Seat Mount Assembly (continued) Ref. 1 2 3 4 6 11 19 Part Number Qty. Description 126-4082-03 1 Plate-Retainer, Tank 3230-23 2 Screw-CARR 104-8300 6 Nut-HF, NI 5 Bumper-Seat 135-0505 126-7309 1 Seat Pan And Latch ASM 136-9014 1 Seat ASM 126-5914 2 Pin-Pivot, Seat Ref. 20 21 23 24 27 29 30 21 Part Number Qty.
Seat Pan and Latch Assembly No.
Seat Pan and Latch Assembly No. 126-7309 (continued) Ref. 2 3 4 Part Number Qty. Description 3231-26 1 Screw-CARR 107-0075 1 Bushing-Latch, Seat 126-6739 1 Latch-Catch, Single Ref. 5 6 23 Part Number Qty.
Seat Assembly No.
Seat Assembly No. 136-9014 (continued) Ref. 1 1:1 2 3 4 Part Number Qty. Description 126-2058 1 Armrest Kit 110-4163 2 Cushion-Rest, Arm 130-0845 1 Seat Belt Kit 130-0846 1 Knob-Adjuster 126-3506 1 Cover-Skirt W/Fasteners Ref. 5 6 7 8 9 25 Part Number Qty.
Motion Control Assembly 3417-665B 26 G2
Motion Control Assembly (continued) Ref. 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 18:2 Part Number Qty.
RH Motion Control Assembly 3417-665B 28 G2A8
RH Motion Control Assembly (continued) Ref. 1 1:2 1:3 2 3 4 5 Part Number Qty. Description 126-3773 1 Control Arm ASM 126-8909 2 Bushing 1-413152 2 Bushing-Sleeve 126-7296 1 Washer-Friction 126-8182 1 Arm-Control 117-1240 1 Washer 119-8925 1 Washer-Belleville Ref. 6 7 8 9 10 11 12 29 Part Number Qty.
LH Motion Control Assembly 3417-665B 30 G2A9
LH Motion Control Assembly (continued) Ref. 1 1:2 1:3 2 3 4 5 Part Number Qty. Description 126-3773 1 Control Arm ASM 126-8909 2 Bushing 1-413152 2 Bushing-Sleeve 126-7296 1 Washer-Friction 126-8182 1 Arm-Control 117-1240 1 Washer 119-8925 1 Washer-Belleville Ref. 6 7 8 9 10 11 12 31 Part Number Qty.
Caster Wheel and Fork Assembly 3417-665B 32 H2
Caster Wheel and Fork Assembly (continued) Ref. 1 Part Number Qty. Description 2 Front Caster ASM (W/Fork) Ref. 4 5 6 ● 2 3 109-3678 126-5897 4 2 Bearing-Ball Spring Part Number Qty.
Fork and Caster Wheel Assembly 3417-665B 34 H2A1
Fork and Caster Wheel Assembly (continued) Ref. 1 2 3 Part Number Qty. Description 126-7592 1 Wheel And Tire ASM 126-4312-01 1 Fork-Caster 126-5389 1 Screw-HHF Ref. 4 5 35 Part Number Qty.
Rear Wheel Assembly 3417-665B 36 I2
Rear Wheel Assembly (continued) Ref. 1 1:1 1:2 Part Number Qty. Description 126-7827 2 Wheel And Tire ASM 126-7828 1 Rim-Wheel 120-3271 1 Tire Ref. 1:3 2 37 Part Number Qty.
Electrical Assembly 3417-665B 38 J2
Electrical Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 10 11 12 Part Number Qty. Description 63-8360 1 Key-Ignition 103-5221 1 Switch-PTO 104-8300 2 Nut-HF, NI 105-6849 1 Screw-Forming, Thread 110-6765 1 Switch 116-5609 1 Module ASM 117-1197 1 Solenoid 137-4100 1 Switch-Ignition 126-5036 1 Adapter-Harness, Wire 126-5803 1 Harness-Wire ▲ 126-6267 2 Screw-Torx 126-6499 1 Port-Power, 12V Ref. 13 14 15 16 17 19 20 23 24 25 26 Part Number Qty.
Wire Harness Assembly No.
Wire Harness Assembly No. 126-5803 (continued) Ref. 2 3 4 5 6 Part Number Qty. Description 121-8868 1 Fuse-Mini Blade, 20 Amp 126-3991 1 Relay-Micro 32180-176 1 Cover-Block, Fuse 32180-177 1 Clip-Mounting 116-0053 1 Cap-Plug Ref. 7 8 9 10 41 Part Number Qty.
Deck Lift Assembly 3417-665B 42 K2
Deck Lift Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 9:1 10 11 12 12:1 12:2 Part Number Qty.
Deck Strut Assembly No.
Deck Strut Assembly No. 126-8365 (continued) Ref. 2 3 Part Number Qty. Description 126-8360 4 Bushing-Rubber, Suspension 108-6544 4 Spacer Ref. 4 5 6 45 Part Number Qty.
Engine Assembly 3417-665B 46 M2
Engine Assembly (continued) Ref. 1 5 8 14 14:2 14:3 14:4 26 27 29 30 32 33 Part Number Qty. Description 104-8301 3 Nut-HF, NI 110-1136 1 Decal 116-2456 2 Pulley-Flat 126-0973 1 Idler Arm ASM 1-513034 2 Sleeve-Bearing 302-40 1 Fitting-Grease, 90 DEG 32144-11 1 Screw-HWHTF 126-5864 1 Muffler 126-5993 1 Belt-V 135-0134 1 Sheave-Engine 126-6687-03 1 Anchor-Clutch 126-7198 1 Screw-HH W/Loctite ● 127-3410 1 Clutch-PTO Ref. 34 37 40 44 45 46 48 49 50 54 56 57 58 Part Number Qty.
Deck Assembly 3417-665B 48 U2
Deck Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Part Number Qty.
Deflector Assembly No.
Deflector Assembly No. 120-2451 (continued) Ref. 1 2 3 4 Part Number Qty. Description 3231-4 4 Screw-CARR 106-3246-01 1 Deflector 106-3248-03 1 Strap-Discharge 110-0759 1 Deflector-Rubber Ref. 5 6 7 51 Part Number Qty.
Deck Decal Assembly No.
Deck Decal Assembly No. 126-8957 (continued) Ref. 1 1:2 1:3 1:4 Part Number Qty. 1 93-7818 1 112-3858 1 112-9028 2 Description Deck Decal ASM ● Decal-Torque, Blade Bolt Decal-Scalp, Anti Decal-Cover, Missing Ref. 1:5 1:6 1:7 Part Number Qty.
Fuel System Assembly with Non-Canister Style Air Filter 3417-665B 54 02
Fuel System Assembly with Non-Canister Style Air Filter (continued) Ref. 1 2 3 4 5 6 7 8 9 Part Number Qty. Description 133-1563 1 Filter-Fuel 120-4251 6 Clamp-Fuel Line 120-4371 1 Line-Fuel 127-9206 1 Pump-Fuel 120-4225 2 Screw-HHF 127-9205 1 Hose-Fuel 127-9207 1 Hose-Fuel 127-9230 2 Gasket-Intake 120-4284 4 Screw-HHF Ref. 10 11 12 13 14 96 97 98 99 Part Number Qty.
Carburetor Assembly with Non-Canister Style Air Filter 3417-665B 56 02A1
Carburetor Assembly with Non-Canister Style Air Filter (continued) Ref. 1 3 14 20 23 25 28 29 30 Part Number Qty. Description 127-9251 1 Gasket-Carburetor 127-9246 2 Gasket-Carburetor 127-9319 1 Spring 127-9325 1 Cover-Shaft, Choke 127-9328 1 Spring 127-9330 1 Spring 127-9333 1 Clamp-Lock 127-9334 1 Screw-PPH 127-9335 1 Spring Ref. 90 91 92 93 94 95 96 97 57 Part Number Qty.
Air Intake and Filtration Assembly with Non-Canister Style Air Filter 3417-665B 58 03
Air Intake and Filtration Assembly with Non-Canister Style Air Filter (continued) Ref. 1 2 3 3:1 4 Part Number Qty. Description 127-9235 1 Tube-Breather 127-9234 2 Clamp-Hose 127-9252 1 Filter-Air, Complete 127-9288 1 Filter-Pre, Foam 127-9253 1 Hose-Fuel Ref. 5 6 7 8 59 Part Number Qty.
Ignition and Electrical Assembly 3417-665B 60 04
Ignition and Electrical Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 10 11 Part Number Qty. Description 127-9197 4 Screw-HWH 127-9198 1 Screen-Rotating 127-9199 4 Screw-HWH 127-9200 1 Fan-Cooling 127-9201 1 Screw-HWH 127-9202 1 Washer-Flat 127-9306 1 Flywheel 127-9210 4 Screw-HSH 127-9211 1 Alternator 133-9828 1 Motor-Starter 127-9208 1 Bracket-Lift Ref. 12 13 14 16 17 18 19 20 98 61 Part Number Qty.
Crankcase and Crankshaft Assembly 3417-665B 62 05
Crankcase and Crankshaft Assembly (continued) Ref. 1 2 3 4 5 6 7 8 10 11 12 12:1 12:2 12:4 13 13:1 14 15 16 17 18 19 Part Number Qty.
Governor Control Assembly 3417-665B 64 06
Governor Control Assembly (continued) Ref. 1 2 3 4 5 Part Number Qty. Description 127-9250 1 Clip-Linkage 127-9242 1 Linkage-Choke 127-9241 1 Spring-Governor 120-4238 1 Bolt-Arm, Governor 120-4236 1 Nut-Flange Ref. 6 7 8 9 65 Part Number Qty.
Piston and Cylinder Head Assembly 3417-665B 66 07
Piston and Cylinder Head Assembly (continued) Ref. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Part Number Qty.
Blower Housing Assembly 3417-665B 68 08
Blower Housing Assembly (continued) Ref. 1 2 3 4 5 6 7 Part Number Qty. Description 133-1571 4 Screw-PPH, Plastic 127-9045 1 Cover-Fan 127-9196 6 Screw-Shoulder, HWH 133-1572 1 Shroud-Engine 127-9046 1 Door-Filter, Air 127-9280 2 Pin-Hair 127-9282 2 Pin Ref. 8 9 10 11 12 13 69 Part Number Qty.
Gasket and Seal Kit 3417-665B 70 09
Gasket and Seal Kit (continued) Ref. 1 1:1 1:2 1:3 1:4 1:5 1:6 1:7 Part Number Qty. Description 127-9296 1 Gasket And Seal Kit 127-9214 1 Gasket-Breather 120-4267 1 Seal-Oil 127-9226 2 Gasket-Head, Cylinder 127-9230 2 Gasket-Intake 127-9295 2 Gasket-Valve Cover 120-4317 2 Gasket-Exhaust 120-4257 1 Seal-Oil Ref. 1:8 1:9 1:10 1:11 1:12 1:13 1:14 1:15 71 Part Number Qty.
Attachments and Accessories For 74451 52in TITAN HD 1500 Series Riding Mower Product Name Model/Part Hypr-Oil 500 (quart) ..........................................................................................................................114-4713 Hypr-Oil 500 (gallon).........................................................................................................................114-4714 Hypr-Oil 500-5 (5 gallon).................................................................................
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