Cub Cadet GT 2521 Parts Manual
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Cub Cadet GT 2521 Parts Manual

Cub Cadet GT 2521 Parts Manual

200 series
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See also: Operator's Manual
Parts Manual
SERIES 2500
TRACTOR

Model Number

GT 2521
CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 [www.cubcadet.com]
PRINTED IN U.S.A.
FORM NO. 769-01032
(1/04)

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Summary of Contents for Cub Cadet GT 2521

  • Page 1: Model Number

    Parts Manual SERIES 2500 TRACTOR Model Number GT 2521 CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 [www.cubcadet.com] PRINTED IN U.S.A. FORM NO. 769-01032 (1/04)
  • Page 2 MODEL GT2521 TABLE OF CONTENTS DESCRIPTION PAGE DESCRIPTION PAGE Axle, Front ............Engine Mounting ..........Battery ............. Fender ............. Brakes .............. Frame .............. Bulkhead ............Fuel Tank ............Controls Grille ..............Engine ............Hood ..............Pedal ............Transmission ..........Hydraulic Filter ..........Dash Panel ............
  • Page 3 SEAT AND SUPPORT REF. PART NUMBER DESCRIPTION QTY. 703-2394 Bracket, RH Seat Pivot 703-2395A Seat, Base 777I20310 Graphic, Seat Adjuster 703-2477 Bracket, LH Seat Pivot 703-2628 Bracket, Fender Reinforcement 710-0451 Bolt, Carriage, 5/16-18 x .75 710-3120 Screw, Hx Cap Lock, 3/8-16 x 1.5 GR5 712-04054 Nut, Hex Flange Lock, 5/16-18...
  • Page 4 BRAKE AND CONTROL PEDALS...
  • Page 5 BRAKE AND CONTROL PEDALS REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 603-0321A Shaft Assy, Brake 731-3207 Knob, Brake Lock 603-0412 Pedal Assy, Reverse 732-0418 Spring, Extension, .38 OD x 2.1 603-0697 Shaft Assy, Forward/Reverse 732-0463A Spring, Extension 603-0419 Cam Assy, Control 732-0756A Spring, Torsion...
  • Page 6 STEERING...
  • Page 7 STEERING REF. PART NUMBER DESCRIPTION QTY. 603-0064 Arm Assy, Lower Steering 603-0250 Segment Assy, 18T Steering 619-04079 Housing Assy, 737-3000 Fitting, Grease, 3/16 Drive Type 748-0108 Bearing, Flange, .503 ID 748-3007A Bearing, Bronze Flange, .75 ID 631-04008 Wheel, Steering, Soft Grip 710-0751 Screw, Hex Cap, 1/4 - 20 x .62, GR5 710-1260A...

  • Page 8: Transmission Controls

    TRANSMISSION CONTROLS REF. PART NUMBER DESCRIPTION QTY. 710-0642 Screw, Hex Wsh Hd Tapp, 1/4-20 x .75 2 710-3170 Screw, Ball, 5/16-18 x.56 712-0271 Nut, Hex Sems, 1/4-20 712-3004A Nut, Hex Flange Lock, 1/4-20 714-0101 Pin, Internal Cotter 714-0104 Pin, Internal Cotter 727-3090 Cylinder, Damper 732-3118...
  • Page 9 DRIVE LINE REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 603-0707 Bracket, Torque 721-0519 Seal, Gland 617-3002 Gear Assembly, Pinion 727-3195 Dipstick, Transmission 618-3243 Transmission, Hydrostatic 731-3294 Holder, Dipstick 703-4093 Spring Plate, Hydro Dump 735-0277A Grommet, Rubber, .75 x 1.063 703-4096 Plate, RH Transmission Flange 736-0253...
  • Page 10 -10- HYDRO TRANSMISSION...
  • Page 11 -11- HYDRO TRANSMISSION REF. PART NUMBER DESCRIPTION QTY. 618-04176 Transmission Assembly, Hydro — Does not include Ref Nos. 1 and 12 618-04115 Hub Assembly, Wheel 619-3071A Housing, RH Transmission 619-3072 Housing, LH Transmission 710-0573 Screw, Hex Cap Lock, 5/16-18 x 1.25 GR5 710-1206 Screw, Hex Wash Hd.
  • Page 12 -12- HYDROSTATIC PUMP...
  • Page 13 -13- HYDROSTATIC PUMP REF. PART NUMBER DESCRIPTION QTY. HG-50158 Shaft, Pump (Splined) HG-2003016 Ring, Retaining HG-2003043 Bearing, Ball HG-2003018 Spacer HG-9008000-0128 Seal, Lip HG-2003052 Ring, Retaining HG-2003023 Bearing, Cradle HG-9008000-0126 Seal, Lip HG-2003005 Arm, Trunnion HG-2000015 Guide, Slot HG-2513036 Housing Kit HG-2003044 Bearing Assembly, Thrust Ball HG-51077...
  • Page 14 -14- NEUTRAL LINKAGE, HYDRAULIC PICKUP AND RETURN TUBES REF. PART NUMBER DESCRIPTION QTY. 603-0732 Bracket, Neutral Return 603-0737 Arm Assembly, Control 703-2441 Arm, Neutral 710-0607 Screw, Hex Wash Hd Tapp, 5/16-18 x .50 710-3015 Screw, Hex Cap, 1/4-20 x .75 GR5 710-04171 Screw, Special Hex Cap, 5/16-24 x .625 716-0111...
  • Page 15 -15- BULKHEAD, DASH PANEL AND ENGINE CONTROLS REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 703-2557 Screen, Intake Dash 731-3161 Knob, Throttle 703-3108B Bulkhead, Lower 731-3166 Boot, Intake 710-0751 Screw, Hex Cap, 1/4-20 x .625 736-3128 Washer, Flat, .285 x 1.75 x .10 710-0597 Screw, Hex Cap, 1/4-20 x 1.0 746-3049...
  • Page 16 -16- BATTERY, ELECTRICAL COMPONENTS AND SWITCHES To Headlights To Headlights To Starter To Starter To Engine To PTO To Starter Black To Engine Ground Black To Oil Sender Bulkhead...
  • Page 17 -17- BATTERY, ELECTRICAL COMPONENTS AND SWITCHES REF. PART NUMBER DESCRIPTION QTY. 629-3067 Wire Harness, Main 710-0168 Screw, Hex Cap, 3/8-16 x .50 710-0751 Screw, Hex Cap, 1/4-20 x .625 710-0936 Screw, Truss Hd Tapp, #6 x .62 712-0271 Nut, Hex Sems, 1/4-20 712-3071 Nut, Hex Sems, #10-32 712-3010...
  • Page 18 -18- FRAME AND DRAWBAR REF. PART NUMBER DESCRIPTION QTY. 603-0132 Rod, Quick Attach 603-0328C Frame 703-3453 Drawbar 777I20296 Graphic, Transmission Release Lever 777S30265 Graphic, Transmission Oil 703-2577 Bumper 710-0623 Screw, Hex Wsh Hd Tapp 3/8-16 x .75 710-1260A Screw, Hex Wsh Hd Tap 5/16-18 x .75 710-3261 Screw, Hex Cap, 3/8-16 x 7.0 712-0431...

  • Page 19: Pto Clutch

    -19- PTO CLUTCH REF. PART NUMBER DESCRIPTION QTY. 710-1044 Screw, Hex Cap, 3/8-24 x 1.5 GR8 711-1197 Stud, Clutch Stop 736-0169 Washer, Lock, 3/8 717-3446 Clutch Assy, PTO 711-3179 Spacer (Not Shown) 736-3082A Washer, Flat, .445 x 1.5 x 1.72 Hdn FUEL TANK TO FUEL FILTER...
  • Page 20 -20- ENGINE MOUNTING AND MUFFLER REF. PART NUMBER DESCRIPTION QTY. 651-3001 Muffler Assembly 703-3099 Sheild, Muffler Tube 703-05475 Sheild, Engine Heat 710-1268 Screw, Hex Wsh Hd Tap, #10-16 x .38 710-3180 Bolt, Eng Mount, 5/16-18 x 1.75 GR5 710-0805 Screw, Hex Cap, 5/16-18 x 1.5 GR5 710-3209 Screw, Hex Cap, M6-1.0 x 10 GR8.8 712-3004A...
  • Page 21 -21- BLOWER HOUSING REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. BS-808651 Housing, Blower BS-691533 Cover, Air Guide BS-692062 Screw, Hex BS-691972 Insulator BS-692056 Screw, Hex BS-691084 Terminal, Ground BS-841182 Cover, Cylinder #1 BS-690744 Grommet, Cable BS-841232 Cover, Cylinder #2 BS-690706 Washer BS-841233...

  • Page 22: Engine Assembly

    -22- ENGINE ASSEMBLY...
  • Page 23 -23- ENGINE ASSEMBLY REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. BS-808650 Cylinder Assembly BS-690690 Seal, O-Ring BS-808534 Kit, Bushing/Seal (Magneto Side) BS-807084 Screw BS-805101 Seal, Oil BS-491832 Plug, Oil Fill BS-808529 Head, Cylinder (#1) BS-693175 Dipstick BS-806865 Screw BS-693172 Seal, Dipstick Tube...
  • Page 24 -24- CARBURETOR REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. BS-690950 Gasket, Intake BS-690722 Seal, Choke/Throttle Shaft BS-808257 Kit, Idle Mixture BS-807723 Plug, Carburetor BS-690718 Screw, Throttle Valve BS-808627 Bowl, Float BS-808713 Shaft, Throttle BS-808183 Seal, Throttle Shaft BS-693711 Gasket, Carburetor Body BS-691516...

  • Page 25: Air Cleaner

    -25- AIR CLEANER REF. PART NUMBER DESCRIPTION QTY. BS-808655 Base, Air Cleaner BS-692087 Gasket, Air Cleaner BS-692519 Filter, Air Cleaner Cartridge BS-691985 Knob, Air Cleaner BS-692079 Retainer, Air Filter BS-809157 Screw, Cleaner Mounting Strap BS-807084 Screw, Cleaner Mounting Strap BS-691539 Strap, Air Cleaner Mounting BS-690917 Shield, Carburetor...
  • Page 26 -26- INTAKE MANIFOLD REF. PART NUMBER DESCRIPTION QTY. BS-806376 Manifold, Intake BS-690950 Gasket, Intake Manifold BS-806418 Gasket, Intake Manifold BS-690746 Stud, Carburetor BS-690676 Screw, Intake Manifold BS-808177 Kit, Idle Speed BS-690870 Spacer, Carburetor BS-691537 Screw, Intake Elbow BS-691492 Screw, Intake Elbow BS-690866 Screw, Carburetor BS-808659...
  • Page 27 -27- ELECTRIC STARTING MOTOR REF. PART NUMBER DESCRIPTION QTY. BS-691564 Starter Motor Assembly BS-690323 Bolt, Starter Motor BS-496887 Brush Set BS-691293 Retainer BS-496881 Drive, Starter BS-693548 Armature Assembly BS-692062 Screw, Drive Cap BS-808777 Cap,Drive BS-691286 Cap, End BS-693547 Housing, Starter BS-691124 Ring, Retaining BS-693587...
  • Page 28 -28- GASKET SETS AND CARBURETOR OVERHAUL KIT REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. BS-805101 Seal, Oil (Magneto Side) BS-808617 Gasket Set, Engine BS-806377 Gasket, Cylinder Head BS-808816 Kit, Carburetor Overhaul BS-691684 Gasket, Crankcase BS-808257 Kit, Idle Mixture BS-805049 Seal, Oil (PTO Side) BS-693711...
  • Page 29 -29- FRONT AXLE AND CONNECTIONS REF. PART NUMBER DESCRIPTION QTY. 603-0066 Knuckle Assembly, Steering 710-3066 Screw, Hex Cap, 3/8-16 x 2.75 GR8 710-3103 Screw, Hex Cap, 5/16-18 x 2 GR5 712-3054 Nut, Hex Lock, 3/8-24 GR5 712-0431 Nut, Hex Flanged Lock, 3/8-16 712-0711 Nut, Hex Jam, 3/8-24 GR2 712-3004A...
  • Page 30 -30- GRILLE, HOOD AND SIDE PANELS...
  • Page 31 -31- GRILLE, HOOD AND SIDE PANELS REF. PART NUMBER DESCRIPTION QTY. 603-0211 Bracket, Grille LH 603-0212 Bracket, Grille RH 603-04191 Bracket, Upper Hood 703-2396 Panel, RH Side 777D08231 Graphic, GT 2521 777X40079 Strip, Protective 703-2397 Panel, LH Side 777D08231 Graphic, GT 2521 777X40079 Strip, Protective 703-2398...
  • Page 32 -32- FENDER AND RUNNING BOARD...

  • Page 33: Fender And Running Board

    -33- FENDER AND RUNNING BOARD REF. PART NUMBER DESCRIPTION QTY. 731-3212A Cup Holder 631-3002 Cover, Implement Lift 703-2278B Fender 710-0751 Screw, Hex Cap, 1/4-20 x .62 GR5 710-1260A Screw, Hex Wash Hd Tapp 5/16-18 x .750 710-1268 Screw, Hex Tapp, #10 x .38 Lg 712-3027 Nut, Hex Flange Lock, 1/4-20 723-3042...
  • Page 34 -34- IMPLEMENT LIFT HANDLE REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 603-04141 Handle Assembly, Lift 712-0431 Nut, Hex Flanged Lock, 3/8-16 712-3004A Nut, Hex Flanged Top Lock, 5/16-18 603-0059A Shaft Assembly, Lift 715-0114 Pin, Spiral Spring, 1/4 Dia x 1.5 603-05247 Fork, Lift 716-0116...
  • Page 35 -35- IMPLEMENT LIFT HANGER REF. PART NUMBER DESCRIPTION QTY. 747-04196 Rod, Lift Link 703-2234 Bracket, LH Hanger 703-2804 Plate, Bearing Mounting 703-2832 Link, RH Lift 703-2833 Link, LH Lift 711-3319 Ferrule, Adjustment 712-0431 Nut, Hex Flange Lock, 3/8-16 712-3048 Nut, Hex Jam, 1/2-13 GR5 712-3083 Nut, Hex Insert Lock, 1/2-13 714-0145...
  • Page 36 -36- 48" DECK ASSEMBLY...
  • Page 37 -37- 48" DECK ASSEMBLY REF. PART REF. PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 603-0031A Bracket, Caster Wheel 726-0211 U-Nut, 5/16-18 603-0110 Spindle Assy, RH Front 726-3045 Plug, Button 603-0111 Spindle Assy, LH Front 731-3005 Roller 903-0183A Plate Assy, Mounting 731-3131A Deflector, Chute 703-2248...
  • Page 38 -38- 48" SPINDLE ASSEMBLY PULLEY BLADE...
  • Page 39 -39- 48" SPINDLE ASSEMBLY REF. PART NUMBER DESCRIPTION QTY. 603-0857 Pivot Arm, Double Pulley 703-1387 Cup, Spindle 703-2579 Arm, Idler 710-3005 Screw, Hex Cap 3/8-16 x 1.25 GR5 710-0520 Screw, Hex Cap, 3/8-16 x 1.5 GR5 710-0923 Screw, Hex Cap, 5/8-18 x 3 GR5 710-1010 Screw, Hex Cap, 1/2-20 x 3 GR8 710-3144...

  • Page 40: Rear Wheel

    -40- FRONT WHEEL REF. PART NUMBER DESCRIPTION QTY. 734-3187 Tire, Cub Tread, 16 x 6.5 x 8 634-3016 Rim Assy, Front 710-3119 Bolt, Hex Patch, 3/8-16 x .75 GR5 731-3020 Cap, Hub 734-0255 Valve, Tubeless Air 736-3039 Washer, Flat, .406 x 1.5 x .110 736-3040 Washer, Flat, .406 x 1.92 x .06 737-0224...

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