Craftsman R110 Parts Manual and Diagrams

The Craftsman R110 is a popular lawn tractor model known for its reliability and ease of maintenance. This manual provides comprehensive parts identification, exploded-view diagrams, and ordering information to assist with repairs, maintenance, and restoration. Below are key sections covering safety, parts lists, diagrams, assembly instructions, and troubleshooting.

1. Parts List Overview 2. Engine Assembly & Components 3. Drive System & Transmission 4. Deck Assembly & Cutting System 5. Electrical System 6. Controls & Operator Station 7. Frame & Body Parts 8. Fasteners & Hardware 9. Assembly Instructions 10. Parts Ordering Information 11. Troubleshooting & Maintenance

Parts List Overview

This section provides a master list of all replaceable parts for the Craftsman R110 lawn tractor, organized by assembly group for easy reference.

Assembly GroupDescription
Engine AssemblyComplete engine and related components (Briggs & Stratton)
Deck AssemblyMowing deck, blades, spindles, and belt guides
Drive SystemTransmission, drive belt, pulleys, and axle
Electrical SystemBattery, wiring harness, ignition switch, and safety switches
ControlsSteering wheel, levers, pedals, and linkage
Frame & BodyFrame, fenders, seat, and hood
FastenersBolts, nuts, washers, and pins specific to the model

Engine Assembly & Components

Detailed parts breakdown for the Briggs & Stratton engine used in the R110 model.

  1. Cylinder & Piston: Piston rings, connecting rod, gaskets.
  2. Fuel System: Carburetor, fuel pump, fuel lines, air filter.
  3. Ignition System: Spark plug, ignition coil, flywheel key.
  4. Lubrication System: Oil dipstick, drain plug, filter (if equipped).
  5. Cooling System: Cooling fins, blower housing, fan.

WARNING! Always disconnect the spark plug wire before performing any engine maintenance to prevent accidental starting.

Drive System & Transmission

Parts and diagrams for the transmission, drive belt, and related components.

  1. Transmission: Complete unit, input/output shafts, seals.
  2. Drive Belt: Main drive belt (length and part number specified).
  3. Pulleys: Engine pulley, idler pulleys, tensioner assembly.
  4. Axle & Wheels: Rear axle, wheel hubs, traction drive belt.
  5. Brake System: Brake pad, linkage, and return spring.

CAUTION! Ensure the tractor is on a level surface and the parking brake is engaged before servicing the drive system.

Deck Assembly & Cutting System

Electrical System

Wiring diagram and parts list for all electrical components.

Key Components: Battery (12V), starter solenoid, ignition key switch, safety interlock switches (seat, brake, PTO), headlights (if equipped), wiring harness, fuses.

Diagram Reference: See wiring schematic for color codes and connection points. Always disconnect the negative battery terminal before working on the electrical system.

Controls & Operator Station

Parts related to operator controls and comfort.

  1. Turn off the engine and remove the key before adjusting controls.
  2. Identify parts using the exploded-view diagram (Steering Wheel, Column, Linkage Rods).
  3. Select the correct replacement part number from the list (e.g., brake pedal, throttle control cable).

Tip: Lubricate control linkage points periodically with a light oil for smooth operation.

Frame & Body Parts

Structural and cosmetic parts for the tractor frame and body.

  1. Frame: Main welded frame assembly, front axle.
  2. Body Panels: Hood, grille, fenders, seat pan.
  3. Seat: Seat cushion, mounting bracket, suspension spring.
  4. Decals & Badges: Model-specific decal kit.

WARNING! The frame is heavy; use proper lifting equipment or assistance when removing or installing.

Fasteners & Hardware

Specifications for bolts, nuts, washers, and pins used throughout the tractor.

Refer to the hardware list for each assembly. Common sizes include 1/4-20, 5/16-18, and 3/8-16 bolts. Use grade 5 or better hardware for critical structural connections. Replace any corroded or damaged fasteners.

Assembly Instructions

Step-by-step guide for common assembly and replacement procedures.

  1. Deck Installation: Align deck, install lift linkage, connect belt, adjust height.
  2. Drive Belt Replacement: Release tension, route belt per diagram, re-tension.
  3. Blade Replacement: Block blade, use correct socket to remove bolt, install new blade with cutting edge towards deck.
  4. Wheel & Tire Service: Jack up tractor, remove cotter pin/nut, replace wheel.

CAUTION! Always consult the manual for proper torque specifications. Do not overtighten.

Parts Ordering Information

How to identify and order genuine Craftsman parts.

Use the part numbers listed in this manual. Contact an authorized Craftsman dealer or visit the official parts website. Provide the tractor model number (R110) and serial number for accurate parts lookup. Copyright © 2025 Craftsman; trademarks of Stanley Black & Decker, Inc. For support, visit www.craftsman.com or contact 1-888-331-4569.

Troubleshooting & Maintenance

SymptomPossible CauseCorrective Action
Engine won't startDead battery, bad spark plug, clogged fuel filterCheck battery charge; replace spark plug; inspect fuel filter.
Poor cutting performanceDull blades, incorrect deck height, worn beltSharpen or replace blades; level deck; inspect/replace deck belt.
Loss of drive powerWorn drive belt, low transmission fluidAdjust or replace drive belt; check fluid level per manual.
Excessive vibrationUnbalanced blade, loose spindle, debrisBalance or replace blade; tighten spindle bolts; clean deck.
Electrical failureBlown fuse, corroded connection, bad switchCheck fuses; clean battery terminals; test safety switches.

Maintenance Schedule: Refer to operator's manual for oil changes, air filter service, and lubrication intervals.

Service: 1-888-331-4569; www.craftsman.com

Craftsman R110 Parts Manual and Diagrams © - All Rights Reserved 2025