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13BL78XT299 MTD Lawn Tractor - Overview

Sections of the 13BL78XT299

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Plug-spark – Part Number: 491055S
Plug-spark
★★★★★
★★★★★
(2)
PartSelect #: PS9281094
Manufacturer #: 491055S
$6.40
  In Stock
Order now and your part arrives by Apr 23
Pin-bow Tie Cotter – Part Number: 714-04040
Pin-bow Tie Cotter
PartSelect #: PS9096195
Manufacturer #: 714-04040
Sourced directly from the manufacturer, this replacement part is designed to secure otherwise loose parts in place, allowing the machine to operate properly. This Bow Tie Cotter Pin is not part of a k...
$6.40
  In Stock
Order now and your part arrives by Apr 23
Engine Oil Seal – Part Number: 391086S
Engine Oil Seal
★★★★★
★★★★★
(1)
PartSelect #: PS9277860
Manufacturer #: 391086S
The Oil Seal is a manufacturer-approved rubber part which provides a seal between the crankcase and crankshaft by attaching around the axle shaft on the crankhouse housing. Installation is rated as "M...
$8.09
  In Stock
Order now and your part arrives by Apr 23
Lawn Mower Self-Tapping Screw – Part Number: 710-04484
Lawn Mower Self-Tapping Screw
PartSelect #: PS9086265
Manufacturer #: 710-04484
$6.40
  In Stock
Order now and your part arrives by Apr 23
Lawn Mower Hex Washer Head Screw – Part Number: 710-0599
Lawn Mower Hex Washer Head Screw
PartSelect #: PS9298768
Manufacturer #: 710-0599
This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part ...
$6.40
  In Stock
Order now and your part arrives by Apr 23
Tube-breather – Part Number: 794683
Tube-breather
PartSelect #: PS9306838
Manufacturer #: 794683
This item is an authentic OEM replacement part that is intended to be used with small engines from Briggs & Stratton. The breather tube is used to guide the direction of excess gasses and fluid that e...
$13.02
  In Stock
Order now and your part arrives by Apr 23
Nut-flglk 5/16-18 – Part Number: 712-04063
Nut-flglk 5/16-18
PartSelect #: PS9092936
Manufacturer #: 712-04063
This nut is a manufacturer-approved replacement part for various lawn and garden equipment. It is sold individually, not as part of a kit or assembly. Also referred to as a Lock Nut, it is resistant t...
$6.40
  In Stock
Order now and your part arrives by Apr 23
Lawn Mower Flange Bearing – Part Number: 741-0660A
Lawn Mower Flange Bearing
PartSelect #: PS9122043
Manufacturer #: 741-0660A
This OEM-manufactured flange bearing supports and enables the smooth rotation of parts in your lawn equipment, such as the blade assembly, axle assembly, or steering components. This bearing has an in...
$6.40
  In Stock
Order now and your part arrives by Apr 23
Filter Fuel Mega Pack – Part Number: 394358B
Filter Fuel Mega Pack
PartSelect #: PS17016257
Manufacturer #: 394358B
This Fuel Filter is a white plastic part attached within the fuel delivery system between the fuel tank and carburetor. Installation is rated as "Easy" and requires a set of pliers and a screwdriver. ...
$6.40
  In Stock
Order now and your part arrives by Apr 23
Seal-o Ring – Part Number: 691917
Seal-o Ring
★★★★★
★★★★★
(1)
PartSelect #: PS9294749
Manufacturer #: 691917
The Seal-O Ring, also known as the gasket, is red in color, made of rubber, and is an OEM part that requires some skill to replace. This part is designed to create a seal between the carburator and ma...
$6.40
  On Order
Cable-engage W/sea – Part Number: 946-05124A
Cable-engage W/sea
PartSelect #: PS11813377
Manufacturer #: 946-05124A
This is an authentic OEM part. The MTD deck engage cable is composed of metal and plastic parts, and has been designed for use in several tractor machines. This part is fastened onto the frame assembl...
$34.99
  In Stock
Order now and your part arrives by Apr 23
Lawn Mower Key – Part Number: 925-1745A
Lawn Mower Key
★★★★★
★★★★★
(2)
PartSelect #: PS9310468
Manufacturer #: 925-1745A
This manufacturer-certified Ignition Key comes in black/silver and is used in the ignition slot to turn on the engine. If your key becomes damaged or lost (which these small keys easily are), this pa...
$24.45
  In Stock
Order now and your part arrives by Apr 23

Questions And Answers for 13BL78XT299

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Common Symptoms of the 13BL78XT299

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Deck blades will not turn
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Will Not Start
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Stopped running. Turned to be a bent intake push rod and broken rocker arm
Removed head. Replaced both rocker arms, intake pus rod, push rod guide exhaust and head gaskets. Torqued head in 3 stages to 216 in/lbs. gapped intake to .004 and exhaust to .006 at TDC

Added oil and gas. Now running great

If you need to replace push rods use steel (exhaust) they are the same length
The engine was a Briggs & Stratton 217802 0113 E10604 (2006 year date code)
I used the following
796189 gasket
272475S gasket
697494 push rod
690822 push rod guide
691751 rocker arms
Parts Used:
Arm-rocker Guide-push Rod
  • Rene from COVINGTON, LA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Socket set, Wrench set
8 of 12 people found this instruction helpful.
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Oil Drain Sleeve
I wish this was longer...it's only about 6", barely enough to have the oil flow past the metal plate of the riding lawnmower. I'm going to figure out a way to make a permanent extension something like this video would be SO much better https://www.youtube.com/watch?v=G9ZVoeqr6R8&t=79s
Parts Used:
Sleeve-oil Drain
  • Laurie from RICHLANDS, NC
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers, Socket set, Wrench (Adjustable), Wrench set
4 of 7 people found this instruction helpful.
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upper transmission belt cracked bad
Removed battery, then battery hanger brackets.
Removed the tension spring from under side of seat. That was a little tuff to do. put a long phillips screw driver through transmission pulley.
put a 7/8 box wrench on pulley nut and removed it. took old belt off and installed new one. Reversed order of removal.
Getting the tension spring back into the bracket hole was a little tricky. I used a pair of long needle nose pliers to re install the spring.
cut my yard and I'm a happy camper !!!!!!!!!!!!!!!!!!
Parts Used:
V-Belt
  • William from TRIANGLE, VA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Wrench set
2 of 3 people found this instruction helpful.
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