Manuals+

MTD 510r 4-Cycle Gas Cultivator Parts

Engine Parts

This section details the engine components of the MTD Model 510r 4-Cycle Gas Cultivator. The diagram provides an exploded view illustrating the arrangement of various parts, including the cylinder, piston, crankshaft, carburetor, air filter, fuel tank, muffler, starter assembly, and clutch. Each part is assigned a number corresponding to its listing in the table below for easy identification and ordering.

Item Part No. Description
1753-04028Engine Cover
2791-182339Engine Cover Screws
3791-182651Starter Rope Eyelet
4791-182652Eyelet Nut
5791-181025Valve Cover Screw
6791-182098Valve Cover
7791-182099Valve Cover Gasket
8791-182340Rocker Adjustment Nut
9791-182101Rocker Arm Pivot
10791-182100Rocker Arm
11791-182341Rocker Arm Stud
12791-182103Valve Spring Retainer
13791-181038Valve Spring
14791-182102Push Rod Guide
15791-181033Push Rod
16791-182745Cylinder Assembly (includes 11-14, 16, 18 & 78)
17791-182344Cylinder Screw
18753-1226Intake Baffle
19791-182749Carburetor Mount Gasket
20791-181034Nut
21753-04029Carburetor Mount (includes 20)
22791-182348Carburetor Mount Screw
23791-182732Carburetor Gasket
24791-182654Carburetor with Primer
25753-04030Air Filter Gasket
26791-182655Air Filter Cover Assembly (includes 27, 28, 31-33)
27791-182097Breather Tube Assembly
28791-182656Grommet Washer
29791-182409Washer
30753-04031Air Filter Mounting Screw
31791-182657Air Filter Plate
32791-182658Air Filter
33791-182659Air Filter Cover
34791-182271Fuel Cap
35791-182352Fuel Return Line
36791-182353Fuel Pick-Up Line with Filter
37791-181080Screw
38791-182354Washer
39791-182660Fuel Tank Assembly (includes 34-36)
40791-182356Fuel Tank Shield
41753-1232Muffler Baffle
42791-181048Muffler Gasket
43753-04036Muffler (includes 42, 44-46)
44791-180890Spark Arrestor Screen
45791-181045Screen Cover
46791-181046Screw
47791-182361Muffler Mounting Screw
48753-04092Muffler Cover
49791-181247Palnut/Retaining Ring
50791-182748Recoil Pulley
51753-1236Recoil Spring
52791-182366Nut Clip
53791-181079Pull Handle
54791-611061Rope Guide
55791-613103Rope
56791-181020Starter Housing Screw
57753-04160Starter Housing Assembly (includes 49-56)
58791-182537Wire Grommet
59791-182368Clutch Washer
60753-1238Clutch with Washer
61791-153592Clutch Drum
62753-1239Clutch Cover
63791-181345Clutch Cover Screw
64791-182665Switch Wire Assembly
65753-04040Ignition Module with Screws
66791-181065Spacer
67791-182736Flywheel
68791-181861Screw
69791-182743Shroud Assembly with Screws (includes 68)
70791-182376Crankcase Assembly (includes 71 & 72)
71791-18237590° Elbow
72791-182379Breather Hose
73791-181015Cam Gear
74753-1242Cam Follower
75791-181013Cam Bracket
76791-181012Cam Bracket Screw
77791-181040Valves, Intake and Exhaust
78791-182374Cylinder Gasket
79791-181018Oil Pan Gasket
80791-182377Oil Pan (includes 79 & 81)
81791-181020Oil Pan Screw
82791-182378Dipstick Assembly (includes 83)
83791-182290O-Ring
84791-181009Connecting Rod
85791-181008Wrist Pin Button
86753-1243Piston
87791-181006Wrist Pin
88791-181005Piston Ring Set
89791-145569Anit-Rotation Screw
90753-1240Screw
91753-04092Nut
*791-180852Spark Plug
*753-04014Starter Pawl Repair Kit
*753-04087Short Block Assembly (includes 5-17, 70-88)
*753-1248Carburetor Repair Kit
*753-1248Gasket/Diaphragm Repair Kit

Boom and Cultivator Parts

This section outlines the parts for the boom and cultivator assembly of the MTD Model 510r. The diagram presents an exploded view of the handlebars, throttle controls, gearbox, drive shaft, wheel brackets, wheels, and tines, showing how they connect. Part numbers are provided in the table for reference.

Item Part No. Description
1791-00024Throttle Trigger and Cable Assembly (includes 2 & 3)
2791-182672Switch Bracket
3791-182673Ignition Switch
4791-00025Upper Handlebar Assembly (includes 5 & 6)
5791-182675Grip
6791-182676Tube Closure
7791-182677Handlebar Knob
8791-182678Washer
9791-182899Bolt
10791-00026Lower Handlebar Assembly
11791-182681Handlebar Mounting Hardware
12791-182682Gearbox Mounting Hardware
13791-182683Guard
14791-182684Wheel Bracket Mounting Hardware
15791-683295Handle Bracket Assembly (includes 16-21)
16791-181811Screw
17791-181812Upper Handle Clamp
18791-181813Middle Handle Clamp
19791-181814Lower Handle Clamp
20791-181815Nut
21791-145569Anti-Rotation Screw
22791-181575Grip
23753-04161Drive Shaft Housing Assembly
24791-181577Flexible Drive Shaft
25791-182687Wheel Bracket Assembly
26791-182216Wheel Spacer
27791-180944Wheel Assembly (includes 26)
28791-180288Sleeve Retainer Bolt
29791-147473Tine Fastener Assembly
30791-182729Tine Assembly (Left Outer or Right Inner)
31791-182730Tine Assembly (Left Inner or Right Outer)
32753-147474Gear Box Assembly

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