Scag Power Equipment Tiger Cat STC48V-25CV User Manual

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PART NO. 03250 Rev.4

PRINTED 11/2009

PRINTED IN USA

© 2009

Scag Power Equipment

Division of Metalcraft of Mayville, Inc.

Congratulations on owning a Scag mower! This manual contains the operating

instructions and safety information for your Scag mower. Reading this manual

can provide you with assistance in maintenance and adjustment procedures to

keep your mower performing to maximum efﬁ ciency. The speciﬁ c models that

this book covers are listed on the inside cover. Before operating your machine,

please read all the information enclosed.

OPERATOR’S

MANUAL

Tiger Cat

Models: STC48V-19KAI

STC48V-23CV

STC48V-25CV

STC48V-25CV-SS

STC48V-26BS

STC52V-25CV

STC52V-27CV

STC52V-27CV-SS

STC61V-25CV

STC61V-27CV

STC61V-27CV-SS

Table of Contents

Questions and Answers:

P
pcooperAug 20, 2025
How to fix streaking (strips of uncut grass) with Scag Power Equipment Lawn Mower?
- E
  Edgar RobinsonAug 20, 2025
  To address streaking (strips of uncut grass) with your Scag Power Equipment Lawn Mower, make sure to sharpen dull or worn blades, and ensure correct blade sharpening. Also, maintain full engine RPM and adjust belt tension if it's slipping. Clear any grass accumulation from under the deck. Reduce ground speed if it's too fast, cut only when the grass is dry, and replace bent blades.
E
espinozakellyAug 22, 2025
What to do if Scag Power Equipment Lawn Mower leaves stringers (blades of uncut grass)?
- M
  Michael HicksAug 22, 2025
  To resolve occasional blades of uncut grass (stringers) with your Scag Power Equipment Lawn Mower, ensure the engine runs at full RPM and reduce ground speed. Cut grass after it has dried out. Sharpen dull blades and clean any grass accumulation from the underside of the deck. Also, adjust belt tension if the belts are slipping.
S
slewisAug 25, 2025
How to fix uneven cut on flat ground with Scag Power Equipment Lawn Mower?
- C
  Cathy JonesAug 25, 2025
  To correct an uneven cut on flat ground with your Scag Power Equipment Lawn Mower, replace blades if the lift is worn, and ensure the blade is mounted with the cutting edge toward the ground. Clean grass from under the deck and adjust the deck pitch and level. For improperly mounted decks or bent spindle areas, consult your authorized SCAG dealer. Finally, sharpen dull blades.
C
Cathy HendersonAug 26, 2025
What to do if Scag Power Equipment Lawn Mower leaves strips of uncut grass between cutting paths?
- D
  Donna HoffmanAug 27, 2025
  If your Scag Power Equipment Lawn Mower is leaving strips of uncut grass between cutting paths, increase the overlap of each pass.
J
Jordan AndersonAug 28, 2025
Why is my Scag Power Equipment Lawn Mower leaving streaks of uncut grass in the cutting path?
- E
  Emily McdonaldAug 28, 2025
  If your Scag Power Equipment Lawn Mower is leaving strips of uncut grass in the cutting path, several factors could be at play. The blades might be dull or worn, or perhaps they were sharpened incorrectly, so sharpen the blades. Ensure the engine is running at full RPM. Slipping belts could also be the culprit, so adjust the belt tension. Grass accumulation under the deck can cause this issue; therefore, clean the underside of the deck. Avoid mowing wet grass and slow down your ground speed. Bent blades can also cause this problem, so replace the blades.
E
Elizabeth CoxAug 30, 2025
What to do if my Scag Power Equipment Tiger Cat STC48V-25CV leaves stringers of uncut grass?
- S
  shannon33Aug 30, 2025
  If your Scag Power Equipment Lawn Mower occasionally leaves blades of uncut grass, also known as stringers, it could be due to several reasons. Ensure the engine is running at full RPM. Adjust your ground speed to suit the conditions. Avoid cutting wet grass; wait until it has dried out. Sharpen the blades. Clean the underside of the deck to remove any grass accumulation. Finally, adjust the belt tension to prevent slipping.
S
Shawn HessSep 1, 2025
How to fix an uneven cut on flat ground with my Scag Power Equipment Tiger Cat STC48V-25CV Lawn Mower?
- T
  Tara OwensSep 1, 2025
  If your Scag Power Equipment Lawn Mower is producing an uneven cut on flat ground, resulting in a wavy, high-low appearance, scalloped cut, or rough contour, consider these potential causes. If the lift is worn from the blade, replace the blade. Ensure the blade is mounted correctly with the cutting edge toward the ground. Clean the underside of the deck to remove any grass accumulation. Adjust the deck pitch and level. If the deck is mounted improperly or the spindle area is bent, consult your authorized SCAG dealer. Also, ensure that you sharpen the blade.
C
Christine GreenSep 3, 2025
Why does my Scag Power Equipment Lawn Mower leave a sloping ridge across the cutting path?
- B
  Bryan JohnsonSep 3, 2025
  If your Scag Power Equipment Lawn Mower is leaving a sloping ridge across the width of the cutting path, check and adjust the tire pressure to ensure it is equal on all tires. Also, ensure the wheels are even. If the deck is mounted incorrectly, consult your authorized SCAG dealer. Check if the deck is level side-to-side and correct if necessary.
J
Julie CuevasSep 5, 2025
Why does my Scag Power Equipment Tiger Cat STC48V-25CV Lawn Mower leave strips of uncut grass between cutting paths?
- J
  Jeffrey FreemanSep 5, 2025
  If your Scag Power Equipment Lawn Mower is leaving strips of uncut grass between cutting paths, the issue is likely due to not enough overlapping between rows. Increase the overlap of each pass to resolve this.
T
Thomas RoblesSep 7, 2025
What causes an uneven cut on uneven ground with a Scag Power Equipment Lawn Mower?
- B
  Brian JamesSep 7, 2025
  If your Scag Power Equipment Lawn Mower is producing an uneven cut on uneven ground, resulting in a wavy appearance, high-low scalloped cut, or rough contour, it is likely due to the uneven ground itself. You may need to reduce ground speed, raise the cutting height, and/or change the direction of the cut.

Scag Power Equipment Tiger Cat STC48V-25CV Specifications

General

Engine Manufacturer	Kawasaki
Cutting Width	48 inches
Spindle Material	Cast Iron
Cutting Height	1.5-5 inches
Ground Speed Reverse	5 mph
Turning Radius	Zero-Turn
Blade Tip Speed	Approx. 18, 500 fpm
Drive System Type	Hydrostatic
Blade Engagement	Electric
Warranty	2-year commercial / 3-year or 500-hour non-commercial

Summary

Section 1: General Information

1.1 Introduction

Manual's purpose and scope, contact information, and authorized parts usage.

1.4 Symbols

Explanation of various symbols used throughout the manual.

Section 2: Safety Information

2.1 Introduction

Operator safety is paramount; understand controls and procedures.

2.3 Before Operation Considerations

Pre-operation checks including children, clear area, and no passengers.

2.4 Operation Considerations

Safe operation practices, including slopes, speed, and attachments.

2.5 Roll-Over Protection System

Proper use and maintenance of the ROPS and seat belt.

2.6 Maintenance Considerations & Storage

Safe practices for maintenance, storage, and hazard prevention.

2.8 Safety and Instructional Decals

Identification and purpose of various safety decals on the machine.

Section 3: Specifications

3.1 Engine

Detailed engine specifications including horsepower and type.

3.4 Cutter Deck

Specifications for cutting widths, height adjustment, blades, and construction.

Section 4: Operating Instructions

4.1 Controls and Instrument Identification

Overview of all mower and engine controls and instruments.

4.5 Ground Travel and Steering

Instructions for forward and reverse travel and steering.

4.7 Hillside Operation

Safe procedures for operating the mower on slopes.

4.13 Adjusting Cutting Height

Procedure for setting the desired cutting height for the mower deck.

Section 5: Troubleshooting Cutting Conditions

Section 6: Adjustments

6.1 Parking Brake Adjustment

Procedure to adjust the parking brake linkage for proper operation.

6.2 Travel Adjustments

Adjustments for neutral creep and tracking.

6.6 Cutter Deck Adjustments

Procedures for adjusting cutter deck level, pitch, and height.

Section 7: Maintenance

7.1 Maintenance Chart - Recommended Service Intervals

Schedule for routine maintenance tasks based on operating hours.

7.2 Lubrication

Grease fitting lubrication chart and intervals for various components.

7.9 Cutter Blades

Instructions for blade inspection, sharpening, and replacement.

Section 8: Illustrated Parts List

48V & 52V Cutter Decks

Illustrated parts breakdown for 48V and 52V cutter decks.

61V Cutter Deck

Illustrated parts breakdown for the 61V cutter deck.

Steering Components

Illustrated parts list for steering system components.

Electrical System

Illustrated parts list for the mower's electrical system.

Warranty Information

Limited Warranty - Commercial Equipment

Details of the warranty coverage, limitations, and duration.

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