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MTD 660 Illustrated Parts Manual

Mtd transmatic lawn tractor illustrated parts manual
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Illustrated Parts Manual
Transmatic Lawn Tractor
MODELS 660, 680
662, 682
663, 683
665, 685
668, 688
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO. 769-00642B.fm
(10/24/2003)

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  • Page 1 Illustrated Parts Manual Transmatic Lawn Tractor MODELS 660, 680 662, 682 663, 683 665, 685 668, 688 MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A. FORM NO. 769-00642B.fm (10/24/2003)
  • Page 2 Models 660, 665, 680 & 685 ‡ ‡ † † † † ‡ ‡ † Found on Models 660 & 680 Only ‡ Found on Models 665 & 685 Only ‡...
  • Page 3 Models 660, 665, 680 & 685 REF. NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment. PART DESCRIPTION 728-0162 Flat-head Rivet, 1/4 710-0642 Self-tapping Screw, 1/4-20 x .75 712-0185...
  • Page 4 Models 662, 663, 682 & 683 ‡ ‡ † † † † † † Found on Models 662 & 682 Only ‡ Found on Models 663 & 683 Only ‡...
  • Page 5 Models 662, 663, 682 & 683 REF. NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment. PART DESCRIPTION 629-0469B Headlamp Harness Assembly 710-0642 Self-tapping Screw, 1/4-20 x .75 710-0751 Hex Screw, 1/4-20 x .620 710-3008 Hex Screw, 5/16-18 x .75...
  • Page 6 Models 668 & 688 14/15...
  • Page 7 Models 668 & 688 REF. NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment. PART DESCRIPTION 629-0469B Headlamp Harness Assembly 683-0195 Bracket Assembly 710-0351 Screw, #10-16 x .50 710-0456 Screw, #10-16 x .50 710-0599 Self-tapping Screw, 1/4-20 x .5...
  • Page 8 Models 660 – 688...
  • Page 9 Models 660 – 688 REF. PART DESCRIPTION 17198A Retainer Gear Segment Plate 683-0002A Pivot Bar, .625 710-0514 Hex Cap Screw, 3/8-16 x 1.0 710-0643 Hex Cap Screw, 5/16-18 x 1.0 710-0726 Self-tapping Screw, 5/16-12 x .75 710-0805 Hex Cap Screw, 5/16-18 x 1.5 710-1309 Machine Screw, 5/16-18 x .75...
  • Page 10 Models 660 – 688 Models with Knob-adjust Seat Models with Quick-adjust Seat 31** 32** * Attach the short end of spring to the notch in the rear 19** of Ref. No. 2. Attach the long end to Ref. No. 1.
  • Page 11 Models 660 – 688 REF. PART DESCRIPTION 17239C Seat Lift Bracket 17950A RH Pivot Support Bracket, Seat 17951A LH Pivot Support Bracket, Seat 710-0227 Self-tapping Screw, #8-18 x .50 710-0726 Self-tapping Screw, 5/16-12 x .75 712-0429 Lock Nut, 5/16-18 725-1303...
  • Page 12 Models 660 – 688 75** 80*** Attach the ends of springs (Ref. 58 & Ref.59) to the notch openings in the rear of Ref. 25. ** Found on tractor models with 46-inch deck only. *** Used on tractor models with Deluxe hub cap only.
  • Page 13 Models 660 – 688 REF. PART DESCRIPTION 17668A RH Axle Support Bracket 17669A LH Axle Support Bracket 17962 Switch Plate 683-04025 Lift Handle Assembly 683-04049 Lift Shaft Assembly 710-0224 Self-tapping Screw, #10-16 x .5 710-0599 Self-tapping Screw, 1/4-20 x .5 710-0627 Hex Cap Screw, 5/16-24 x .75...
  • Page 14 Models 660 – 688...
  • Page 15 Models 660 – 688 REF. NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment. PART DESCRIPTION 618-04034 Transmission, Single-speed 656-0059A Variable-speed Pulley, 4.75 683-04055A Torque Bracket 683-04056 Variable-speed Bracket...
  • Page 16 Models 660 – 688...
  • Page 17 Models 660 – 688 REF. — *Use applicable flat washer (12a, 12b or 12c) in this application allowing .0150/.0020 in. end-play NOTE: If rebuilding the upper housing, include two ounces (2 oz.) of Unirex PART DESCRIPTION 732-0614 Ring, Wire 716-0231 Ring, E Type, .750...
  • Page 18 Models 660 – 688 (b)(c) † † † Refer to E on Page 12...
  • Page 19 Models 660 – 688 REF. (a) Tractor models with 38-inch Deck Only (b) Tractor models with 42-inch Deck Only (c) Tractor models with 42-inch Deck w/ Deck Wheels Only For a proper IMPORTANT: working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely.
  • Page 20 Models 660 – 688 ‡ † † Refer to E ‡ ‡ Refer to F † on Page 12 on Page 12...
  • Page 21 Models 660 – 688 REF. PART DESCRIPTION 17116 Deck Brake Assembly 17258D RH Belt Cover 618-0240A Spindle Assembly, 5.0 Dia. 756-1187 Pulley Only 683-04133 46-inch Deck Shell 710-0514 Hex Cap Screw, 3/8-16 x 1.0 710-0520 Hex Cap Screw, 1/4-20 x 1.5 710-0599 Self-tapping Screw, 1/4-20 x .5...
  • Page 22 Models 660 – 688 17 16 A. Models with a 46-inch Deck B. Models with a 38- or 42-inch Deck 16 1...
  • Page 23 Models 660 – 688 REF. (a) Tractor models with Tecumseh Twin-cylinder Engine (b) Tractor models with Tecumseh Single-cylinder Engine (16 HP - 18 HP) (c) Tractor models with Tecumseh Single-cylinder Engine (12 HP - 15 HP) (d) Tractor models with Briggs and Stratton OHV Twin-cylinder Engine (e) Tractor models with Briggs and Stratton OHV Single-cylinder Engine NOTE: Tractor features vary by model.
  • Page 24 Models 660 – 688 MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722...

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