Cub Cadet 28HP Tank 53AB5JEX750 Setup guide

Hydrostatic Zero-Turn
Commercial Riding Mower
Professional Turf Equipment
ILLUSTRATED PARTS LIST
60” & 72" Fabricated Deck
InDirect Injection Diesel

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This Page Intentionally Left Blank

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TABLE OF CONTENTS
60" Frame Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
72" Frame Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
60" Fabricated Cutter Deck. . . . . . . . . . . . . . . . . . . . . 6 and 7
60" Spindle Assembly. . . . . . . . . . . . . . . . . . . . . . . . . 8 and 9
72" Fabricated Cutter Deck. . . . . . . . . . . . . . . . . . . 10 and 11
72" Spindle Assembly. . . . . . . . . . . . . . . . . . . . . . . 12 and 13
Brake Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 and 15
Hydro Hose and Pump Assembly. . . . . . . . . . . . . .16 and 17
Fuel Tank Assembly . . . . . . . . . . . . . . . . . . . . . . . . 18 and 19
60" Front Caster Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 20
72" Front Caster Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 21
Wheel Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Seat/Floor Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . . 23
Control Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 24 and 25
Radiator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 26 and 27
28.2 HP Caterpillar Engine Assembly . . . . . . . . . . 28 and 29
60" Lift Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 30 and 31
72" Lift Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 32 and 33
Electrical Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Decal Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
MODELS LISTED IN THIS MANUAL
28HP Tank, 28HP Tank, 28HP Tank,
53AB5JEX750 53AB5JEZ750 53AB5JEZ630

4
60" Frame Assembly
GD: 02003081-04/30/07
- Figure 1 and Parts List
Ref.
No. Part No. Description Qty.
Ref.
No. Part No. Description Qty.
101005810 Hex Cap Screw 3/8-16 x 2.00 118 01010119 Nut, 1/2-13, Flangelock 1
200012152 Lock Nut w/Nylon Insert 219 02004037 Skid Plate 1
300012158 Flat Washer, 3/8 120 02002281 Guard Bracket 1
400014270 Carriage Bolt, 3/8-16 x 2.00 221 02002426 Bar Weight 2
500022560 Hex Nut, 3/8-16 Flange Lock 18 22 02002536 Hitch 1
600083192 Idler Washer 623 02002655 Spacer, .51 ID x .75 OD x 1.40 1
701000372 Carriage Bolt, 3/8-16 x .75 Long 524 02003055 Lift Index Bracket 1
801000643 Carriage Bolt, 3/8-16 x 1 725 02003087 Frame Assembly 1
901001170 Rubber Bumper, .62 OD x .22 Thick 626 02003074 HitchPin, .120 Dia. x 3.0 1
10 01001776 Clevis Pin, .500 Dia. x 2.50 Lg. 127 02003749 Wear Plate, 1.125 x 5.00 1
11 01002511 Nut, 3/8-16, Jam 128 02003505 Flat Head Cap Screw, 1/4-20 x .75 2
12 01003282 Clevis Pin, .625 Dia x 4.375 Long 229 02003524 Front Frame Bracket Assembly 1
13 01003993 Linch Pin, 3/16 Dia. 230 02003563 Carriage Bolt, 1/2-13 x 3.00 1
14 01005160 Plug, Square Tube 231 710-3248 Hex Head Cap Screw, 3/8-16 x 8.50 1
15 01008049 Carriage Bolt, 3/8-16 x 4.0 232 750-3119 Spacer .406 ID x 1.0 OD 6
16 01008225 Push Retainer, 3/8"-Thread Stud 633 756-3045 Idler Pulley, 5.06 Dia. 2
17 01009604 Spacer, .385 ID x .625 OD x 4.89 1

5
72" Frame Assembly
GD: 02003520-04/30/07
- Figure 2 and Parts List
Ref.
No. Part No. Description Qty.
Ref.
No. Part No. Description Qty.
101005810 Hex Cap Screw 3/8-16 x 2.00 116 01009604 Spacer, .385 ID x .625 OD x 4.89 1
200012152 Lock Nut w/Nylon Insert 217 01010119 Nut, 1/2-13, Flangelock 1
300012158 Flat Washer, 3/8 118 02004037 Skid Plate 1
400014270 Carriage Bolt, 3/8-16 x 2.00 219 02002281 Guard Bracket 1
500022560 Hex Nut, 3/8-16 Flange Lock 18 20 02002536 Hitch 1
601000372 Carriage Bolt, 3/8-16 x .75 Long 721 02002655 Spacer, .51 ID x .75 OD x 1.40 1
701000643 Carriage Bolt, 3/8-16 x 1 722 02003055 Lift Index Bracket 1
801001170 Rubber Bumper, .62 OD x .22 Thick 623 02003087 Frame Assembly 1
901001776 Clevis Pin, .500 Dia. x 2.50 Lg. 124 02003074 HitchPin, .120 Dia. x 3.0 1
10 01002511 Nut, 3/8-16, Jam 125 02003749 Wear Plate, 1.125 x 5.00 1
11 01003282 Clevis Pin, .625 Dia x 4.375 Long 226 02003505 Flat Head Cap Screw, 1/4-20 x .75 2
12 01003993 Linch Pin, 3/16 Dia. 227 02003563 Carriage Bolt, 1/2-13 x 3.00 1
13 01005160 Plug, Square Tube 228 710-3248 Hex Head Cap Screw, 3/8-16 x 8.50 1
14 01007779 Bracket Assembly, Frame, Front 129 750-3119 Spacer .406 ID x 1.0 OD 6
15 01008225 Push Retainer, 3/8"-Thread Stud 430 756-3045 Idler Pulley, 5.06 Dia. 2

6
60" Fabricated Cutter Deck - Figure 3
GD: 02002835-03/15/07

7
60" Fabricated Cutter Deck - Parts List for Figure 3
Ref.
No. Part No. Description Qty.
100011925 Hex Cap Screw, 3/8-16, 3.75 4
200012158 Flat Washer, 3/8 4
300012428 Lock Nut, Nylon Insert, 1/2-13 5
400013406 Hex Cap Screw, 5/16-18 x .75 1
500014608 Lock Nut, Nylon Insert, 10-32 16
600017778 Phillips Head Screw, 10-32 16
700022560 Flange Lock Hex Nut, 3/8-16 50
800083192 Idler Washer 1
901000343 Complete Wheel, 5.00 Dia. 2
10 01000372 Carriage Bolt, 3/8-16 x .75 Lg. 35
11 01000385 Front Roller 5
12 01000398 Wheel Spacer 2
13 01000635 Nut, 5/16-18, Hex Flange Lock 1
14 01000643 Carriage Bolt, 3/8-16 x 1 7
15 01001169 Grass Catcher Roller 4
16 01001745 Pin, 5/8 Dia. x 1.2 Lg. 4
17 01002010 Carriage Screw, 3/8-16 x 1.25 4
18 01003253 Torsion Spring, 0.4ID x 2.16Lg 1
19 01003254 Chute Deflector Rod 1
20 01004109 Stop Bracket 1
21 01004304 Hex Index Washer Screw, 3/8-16, .5 8
22 01004685 Belt Cover Support 2
23 01005364 Deck Roller Mount Bracket 3
24 01005260 Anti-Scalp Wheel Front Mount Bracket 2
25 01005256 Left Hand Front Roller Mount Bracket 1
26 01005258 Right Hand Front Roller Mount Bracket 1
27 01005437 Outer Belt Cover Support Assembly 2
28 01005869 T-Handle Latch Draw 4
29 01006693 Chute Deflector 1
30 01008226 Chute Deflector Bracket 2
31 01008633 Left Hand Mount Deck Bracket Assembly 1
32 01008635 Right Hand Deck Bracket Assembly 1
33 01008644 Finger Guard 1
34 01009300 Chute Bracket 1
35 01009808 Spacer, .385 x .50 x 3.045 2
36 02000109 Pillow Block 2
37 01006961 Hex Cap Screw, 1/2-20 x 7.50 1
38 02002299 Lock Nut, Nylon Insert, 1/2-20 1
39 02002531 60 Deck Assembly 1
40 02002800 J-Hook w/ Threaded Roller 1
41 02002831 Right Hand Deck Belt Cover 1
42 02002832 Left Hand Deck Belt Cover 1
43 712-0641 Hex Nut, M16-1.5 2
44 721-04041 Water Nozzle Adaptor 1
45 736-0760 Lock Washer, 17 x 23.8 x 1.95 2
46 737-04003B Deck Water Nozzle 2

8
60" Fabricated Deck Spindle Assembly - Figure 4
GD: 02003627-10/30/06

9
60" Fabricated Deck Spindle Assembly - Parts List for Figure 4
Ref.
No. Part No. Description Qty.
100005763 Hex Nut, 7/16-14 1
200008495 Hex Cap Screw, 3/8-16 x 1-3/4 2
300011438 Hex Cap Screw, 3/8-16 x 1-1/2 12
400011925 Hex Cap Screw, 3/8-16, 4.00 1
500012158 Flat Washer, 3/8 12
600022560 Flange Lock Hex Nut, 3/8-16 18
700060078 Grease Fitting, 1/4-28 x 3/16 2
800083192 Idler Washer 1
901000302 Shoulder Screw, 7/16-14 1
10 01000364 Hex Carriage Screw, 3/8-16, 1.75 1
11 01000380 Flange Hex Nut, 3/4-16 3
12 01000387 Torsion Idler Spring 1
13 01000389 Lock Washer, 7/16 1
14 01000392 Flat Washer, .781 ID 2.00 OD, .105 3
15 01000393 Flat Washer, .469 ID, .875 OD, .105 1
16 01000643 Carriage Bolt, 3/8-16 x 1 1
17 01000723 Flat Washer, .406 ID, 1.0 OD, .105 6
18 01003123 Spacer .812 ID x .268 LG 2
19 01003245 Spacer, .39 ID x .625 OD x 2.75 1
20 01005737 Idler Arm Assembly, Deck Spindle includes: 1
01000308 Bearing 2
21 01003532 Aluminum Spindle Assembly 3
22 01004081 Flat Pulley 1
23 01004101 Idler Pulley, 4.06 OD 1
24 01004118 Shoulder Screw, .50 x .27 Lg., 3/8-16 1
25 01004415 Spacer, .760 ID x 2.00 OD x 1.1 4
26 01005434 Aluminum Spindle Support Plate 3
27 01005213 Hex Cap Screw, 3/4-16, 7.00 2
28 01005338 Hi-Lift Blade, 21.0, 0.756 ID 3
29 01005376 V-Belt, A Section x 122.3 1
30 01005388 Hex Cap Screw, 3/4-16, 9.00 1
31 01005616 V-Pulley, 5.00 OD 3
32 01005690 Spring Tension Rod Assembly 1
33 01008081 V-Pulley, Cast, 6.360 OD 1
34 01009583 V-Belt, B Section x 147.4 1
35 02003489 Idler Arm Assembly includes: 1
01000308 Bearing 2
36 02003712 Extension Spring, .94 x OD x 7.57 1
37 756-3045 Idler Pulley, 5.06 Dia. 1

10
72" Fabricated Cutter Deck - Figure 5
GD: 02002933-01/24/07