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Troybilt
Front-Engine Lawn Tractor

Model # 3212HR Official Troybilt 12-hp hydro tractor

Here are the diagrams and repair parts for Official Troybilt 3212HR 12-hp hydro tractor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 362 parts  |
Fuel Filter 1727491
#14

Engine diagram

Fuel filter

Part #1727491

Replaced by #298090S

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Manufacturer substitution
This part replaces 1727491. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lock Washer 1185140
#27

Engine diagram

Lock washer

Part #1185140

Replaced by #936-0119

?
Manufacturer substitution
This part replaces 1185140. Substitute parts can look different from the original.
This item is not returnable
$6.05 | 
14% OFF Phone Price : $7.05
In Stock
Lock Nut 1110150
#49

Frame, lift and steering assembly diagram

Lock nut

Part #1110150

Replaced by #712-0214

?
Manufacturer substitution
This part replaces 1110150. Substitute parts can look different from the original.
$9.37
In Stock
Lock Nut 1732499
#83

Hydrostatic & brake assembly diagram

Lock nut

Part #1732499

Replaced by #712-3004A

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Manufacturer substitution
This part replaces 1732499. Substitute parts can look different from the original.
This item is not returnable
$4.92 | 
17% OFF Phone Price : $5.92
In Stock
Pto Switch 1754608
#31

Electrical diagram

Pto switch

Part #1754608

Replaced by #1754608

?
Manufacturer substitution
This part replaces 1754608. Substitute parts can look different from the original.
$80.83 | 
7% OFF Phone Price : $86.83
In Stock
Idler Pulley 1756151
#36

Hydrostatic & brake assembly diagram

Idler pulley

Part #1756151

Replaced by #1756151

?
Manufacturer substitution
This part replaces 1756151. Substitute parts can look different from the original.
$55.53
In Stock
Nut 1186389
Nut

Part #1186389

Replaced by #1186389

?
Manufacturer substitution
This part replaces 1186389. Substitute parts can look different from the original.
This item is not returnable
$4.86
In Stock
Solenoid 1752137
#19

Electrical diagram

Solenoid

Part #1752137

Replaced by #1752137P

?
Manufacturer substitution
This part replaces 1752137. Substitute parts can look different from the original.
$84.95 | 
7% OFF Phone Price : $90.95
In Stock
Idler Pulley 1726660
#87

Hydrostatic & brake assembly diagram

Idler pulley

Part #1726660

Replaced by #756-0487

?
Manufacturer substitution
This part replaces 1726660. Substitute parts can look different from the original.
$49.90 | 
11% OFF Phone Price : $55.90
In Stock
Valve Stem 1718086
Valve stem

Part #1718086

Replaced by #934-0255

?
Manufacturer substitution
This part replaces 1718086. Substitute parts can look different from the original.
This item is not returnable
$5.43 | 
16% OFF Phone Price : $6.43
In Stock

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Main causes: shift lever needs adjustment, neutral control needs adjustment…

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