FMI Steelflex PT20 Treadmill | 5 HP Commercial Motor | 15.5 MPH | -3%–15% Incline | 500 lb Capacity

FMI Steelflex PT20 Motorized Treadmill

A motorized treadmill with incline and decline capability for home or light commercial use.

Product Description

A motorized treadmill featuring steel frame construction, 5 HP AC motor, variable speed up to 15.5 MPH, incline range from -3% to 15%, cushioned running deck, and LED console.

Product Specifications

• Frame: Steel construction
• Motor: 5 HP AC motor with frequency conversion
• Speed Range: 0.5 - 15.5 MPH (0.8 - 25 km/h)
• Incline/Decline Range: -3% (decline) to 15% (incline) - powered by 1000 lb thrust motor
• Running Surface: 62" × 22" (157 × 56 cm)
• Belt: 2-ply urethane conductive belt
• Deck Thickness: 1.0" (25 mm)
• Cushioning System: 8-point elastomer cushioning
• Roller Size: 3.0" (75 mm) precision rollers
• Step-On Height: 7.5" (19 cm)
• Maximum User Weight: 500 lbs (220 kg)
• Equipment Weight: 530 lbs (240 kg)
• Dimensions: 83" L × 40" W × 61" H (211 × 102 × 154 cm)
• Power Requirements: 110V / 220V (verify local voltage)

Console & Display

• Display Type: 5×8×8 Matrix LED display + 7-window LED feedback screen
• Feedback Metrics: Time, distance, speed, heart rate, incline level, calories, pace
• Programs: 13 pre-programmed workout modes
  • Manual (1)
  • Classic (3)
  • HRC - Heart Rate Control (3)
  • Training (3) - GERKIN, USB-C1, C2, C3
  • Goal (3) - Time, distance, or calorie targets
• Quick-Access Controls: Preset speed keys (WALK, JOG, RUN); incline keys (LEVEL, RISE, ASCEND)
• Heart Rate Monitoring: Contact sensors and/or wireless capability (verify specific features)

Features

• Steel frame construction
• 5 HP AC motor with frequency conversion
• Variable speed: 0.5 - 15.5 MPH
• Incline/decline adjustment: -3% to 15%
• 62" × 22" running surface
• 8-point elastomer cushioning system
• 1.0" thick deck
• 3.0" precision rollers
• 2-ply urethane conductive belt
• LED console display
• 13 workout program modes
• Quick-access speed and incline controls
• Emergency stop key/safety clip
• Side rails for stability
• Dual water bottle holders
• Built-in fan
• USB port
• CSAFE connectivity
• Transport wheels for repositioning
• Cooling system for motor

Safety Features

• Emergency stop key/safety clip
• 7.5" step-on height
• Side rails
• Cushioned deck system

Included Components

• Steelflex PT20 treadmill
• Power cord
• User manual
• Assembly hardware

Warranty Coverage

• Frame: 10 years
• Parts: 3 years
• Wear Items: 2 years
• Labor: 1 year
• Warranty terms and conditions apply - see manufacturer warranty documentation

Assembly

• Professional assembly strongly recommended due to weight (530 lbs)
• Follow manufacturer assembly instructions
• Assembly hardware included
• Multiple people required for assembly and positioning

Installation & Setup

• Location Requirements:
  • Stable, level floor surface capable of supporting 530 lbs equipment plus user weight
  • Adequate space around treadmill for safe mounting, dismounting, and emergency exit
  • CRITICAL: Minimum 8-10 feet clearance behind treadmill (recommended for 15.5 MPH capability)
  • Minimum 3 feet clearance on each side (recommended)
  • 83" length × 40" width floor space required
  • Adequate ceiling height (61" equipment height plus user height)
  • Dedicated electrical circuit required (verify voltage: 110V or 220V)
  • Professional electrical installation recommended
  • Ventilation required for indoor use
• Electrical Requirements:
  • Verify voltage requirements (110V or 220V) for your location
  • Grounded electrical outlet required
  • GFCI (Ground Fault Circuit Interrupter) protection required
  • Dedicated circuit mandatory due to 5 HP motor
  • Professional electrician installation strongly recommended
  • Do not use extension cords
• Surface Protection: Use heavy-duty protective mat under treadmill
• Positioning: Use transport wheels to move treadmill - requires multiple people due to 530 lb weight
• Inspection: Check all connections, belt alignment, and moving parts after assembly and before first use

Operation & Maintenance

• Before Each Use:
  • Inspect frame for cracks, damage, or loose connections
  • Check running belt alignment, tension, and condition
  • Verify emergency stop key is functional
  • Test belt motion at low speed before use
  • Ensure console display is functioning
  • Check side rails are secure
  • Verify incline/decline system operates properly
• During Use:
  • ALWAYS attach emergency stop key/safety clip to clothing
  • Maintain proper posture and positioning
  • Stay centered on running belt
  • Use side rails only for mounting/dismounting or emergencies - not during running
  • Monitor feedback metrics on console
  • Be aware of speed - equipment capable of 15.5 MPH
  • Be aware of incline/decline position
• Emergency Stop:
  • Pull emergency stop key immediately in any emergency
  • Treadmill will stop when key is removed
• Weight Capacity: Do not exceed maximum user weight of 500 lbs
• Cleaning: Wipe down frame, console, and belt after each use; disconnect power before cleaning
• Belt Maintenance: Follow manufacturer guidelines for belt lubrication and tension adjustment
• Motor Cooling: Allow motor to cool after intensive use; cooling system operates during use
• Maintenance: Follow manufacturer maintenance schedule - more frequent maintenance required for intensive use
• Professional Servicing: Have treadmill inspected regularly by qualified technician - essential for equipment of this power and capability

⚠️ EXTREME HAZARD - HIGH-SPEED MOTORIZED TREADMILL ⚠️

This treadmill poses SEVERE risks of serious injury or death if used improperly.

CRITICAL SPECIFICATIONS:

• Maximum Speed: 15.5 MPH - EXTREMELY HIGH SPEED (near sprinting speed)
• Equipment Weight: 530 lbs - EXTREMELY HEAVY
• Decline Capability: -3% - Downhill running increases fall risk
• Maximum User Weight: 500 lbs

General Safety Requirements:

⚠️ Medical clearance MANDATORY - Consult healthcare provider before use

⚠️ High-level fitness required - This equipment is NOT for beginners

⚠️ Emergency stop key MANDATORY - ALWAYS attach emergency stop key/safety clip to clothing

⚠️ Inspect before EVERY use - Check all components for damage, wear, or malfunction

⚠️ Professional installation required - Due to weight (530 lbs) and electrical requirements

⚠️ Stop immediately if experiencing:

• Chest pain or pressure
• Severe shortness of breath
• Dizziness or lightheadedness
• Irregular heartbeat
• Loss of balance or coordination
• Any concerning symptoms

EXTREME HAZARDS:

15.5 MPH MAXIMUM SPEED - SEVERE INJURY RISK:

• NEAR SPRINT SPEED: 15.5 MPH is near maximum sprinting speed for most people
• CATASTROPHIC FALL RISK: Loss of balance at high speed can result in severe injury or death
• ONLY FOR EXPERIENCED RUNNERS: High speeds should ONLY be used by experienced, highly fit athletes
• GRADUAL PROGRESSION ESSENTIAL: NEVER attempt high speeds without extensive progression
• PROPER TRAINING REQUIRED: Requires sprint training and experience
• EMERGENCY STOP CRITICAL: Keep hand near emergency stop key at high speeds
• NEVER DISTRACTED: Absolute attention required at high speeds - no phones, TV watching, etc.
• NEVER START AT HIGH SPEED: ALWAYS start at slow speed and increase very gradually

MOVING BELT - CRITICAL HAZARD:

• CONTINUOUS HIGH-SPEED MOTION: Belt moves continuously at speeds up to 15.5 MPH
• SEVERE INJURY RISK: Can cause catastrophic falls, severe friction burns, and traumatic injuries
• EMERGENCY STOP MANDATORY: ALWAYS attach emergency stop key/safety clip to clothing before starting
• CHILDREN/PETS: Keep children and pets away from treadmill AT ALL TIMES - especially when in use
• NEVER reach down to pick up dropped items while belt is moving
• START STRADDLING BELT: Always straddle belt when starting - never stand on belt
• MOUNT/DISMOUNT: Only mount or dismount when belt is completely stopped or at very slow speed
• APPROPRIATE CLOTHING: Wear fitted athletic clothing - loose clothing can catch in moving parts

DECLINE CAPABILITY (-3%) - INCREASED FALL RISK:

• DOWNHILL RUNNING: -3% decline simulates downhill running
• SIGNIFICANTLY INCREASED FALL RISK: Decline increases risk of losing balance and falling
• FORWARD MOMENTUM: Decline creates forward momentum that can be difficult to control
• HIGHER IMPACT: Decline increases impact forces on joints and body
• REQUIRES EXPERIENCE: Should only be used by experienced runners
• START WITH FLAT: Master flat treadmill running before attempting decline
• SLOWER SPEEDS ON DECLINE: Use significantly slower speeds when using decline
• EXTRA CAUTION: Exercise extreme caution with decline feature

INCLINE CAPABILITY (UP TO 15%) - HIGH INTENSITY:

• STEEP INCLINE: 15% incline is very steep
• EXTREME CARDIOVASCULAR DEMAND: High incline dramatically increases cardiovascular stress
• MODIFIED GAIT: Incline significantly changes running/walking mechanics
• INCREASED FALL RISK: Balance challenged on steep inclines
• GRADUAL PROGRESSION: Increase incline very gradually
• AUTOMATIC ADJUSTMENT: Incline can change automatically during programmed workouts

530 LB EQUIPMENT WEIGHT:

• EXTREMELY HEAVY: Equipment weighs 530 lbs
• PROFESSIONAL INSTALLATION: Professional installation and positioning mandatory
• MULTIPLE PEOPLE REQUIRED: Never attempt to move without multiple people and proper equipment
• STRUCTURAL SUPPORT: Floor must support 530 lbs plus user weight (up to 500 lbs additional)
• PERMANENT LOCATION: Due to extreme weight, consider location permanent
• TIPPING HAZARD: Extreme caution if treadmill must be tilted or moved

5 HP MOTOR - HIGH POWER:

• COMMERCIAL-POWER MOTOR: 5 HP is extremely powerful motor
• HIGH ELECTRICAL DEMAND: Requires dedicated electrical circuit
• PROFESSIONAL ELECTRICAL: Professional electrician installation required
• HEAT GENERATION: Motor generates significant heat during operation
• COOLING SYSTEM: Built-in cooling system operates during use
• VOLTAGE VERIFICATION: Verify correct voltage (110V or 220V) for your location

ELECTRICAL HAZARDS:

• HIGH VOLTAGE AND AMPERAGE: Equipment draws significant electrical current
• GROUNDED OUTLET MANDATORY: Must be plugged into properly grounded outlet
• GFCI REQUIRED: Ground Fault Circuit Interrupter protection required
• DEDICATED CIRCUIT MANDATORY: Dedicated electrical circuit required - do not share with other devices
• NO EXTENSION CORDS: Never use extension cords
• PROFESSIONAL INSTALLATION: Qualified electrician installation mandatory
• MOISTURE: Keep all electrical components away from moisture
• DISCONNECT FOR SERVICE: Disconnect power before any maintenance or cleaning

CLEARANCE REQUIREMENTS - CRITICAL:

• 8-10 FEET BEHIND TREADMILL MINIMUM: Due to 15.5 MPH capability, 8-10 feet clearance behind treadmill is CRITICAL
• 3 FEET ON EACH SIDE: Minimum clearance on sides
• NEVER OBSTRUCT REAR: NEVER place treadmill with rear against wall
• SEVERE INJURY RISK: Insufficient clearance can result in severe injury or death if user falls off at high speed
• CLEAR LANDING ZONE: Area behind treadmill must be clear of all obstacles

Emergency Stop System:

• MANDATORY USE: Emergency stop key/safety clip MUST be attached to clothing at all times during use
• IMMEDIATE STOP: Pull key to stop belt immediately in any emergency
• TEST BEFORE USE: Test emergency stop function before EVERY use
• KEY LOCATION: Always know where emergency stop key is during use
• HIGH-SPEED CRITICAL: Absolutely essential at high speeds

Side Rails:

• MOUNTING/DISMOUNTING ONLY: Use side rails for mounting, dismounting, and emergencies only
• NOT FOR RUNNING: Do not hold side rails during running or walking
• BALANCE AID: Available if balance assistance needed
• SECURE ATTACHMENT: Verify side rails are securely attached

7.5" Step-On Height:

• ELEVATED PLATFORM: Running surface elevated 7.5" above floor
• MOUNTING CHALLENGE: Height may challenge some users during mounting/dismounting
• STEP CAREFULLY: Exercise caution when stepping onto platform
• DISMOUNTING: Step down carefully when exiting

Proper Use Requirements:

• MANDATORY MEDICAL CLEARANCE: Obtain comprehensive medical clearance before use - especially cardiovascular evaluation
• HIGH FITNESS LEVEL REQUIRED: This equipment is designed for serious athletes and experienced runners
• NOT FOR BEGINNERS: Beginners should not use this equipment - use lower-powered treadmill instead
• PROFESSIONAL TRAINING: Seek training from qualified fitness professional before use
• PROGRESSIVE TRAINING: Extensive progressive training required before using high speeds or decline
• START AT LOWEST SETTINGS: Always start at 0.5 MPH, flat (0% incline/decline)
• VERY GRADUAL PROGRESSION: Increase speed, incline, and decline extremely gradually over months
• EMERGENCY STOP KEY: ALWAYS attach emergency stop key/safety clip to clothing
• PROPER FOOTWEAR: Wear high-quality running shoes appropriate for speed
• CONSTANT ATTENTION: Maintain absolute attention during use - no distractions
• HYDRATION: Maintain proper hydration
• WARM-UP/COOL-DOWN: Essential before and after use
• LISTEN TO BODY: Stop immediately at any concerning symptoms
• PROGRAM SELECTION: Choose program appropriate for fitness level
• DECLINE CAUTION: Exercise extreme caution with decline feature
• HIGH-SPEED PROTOCOL: Never attempt speeds above current capability

Speed Progression Guidelines:

Users should NOT attempt speeds above their outdoor running capability:

• Walking: 0.5 - 4.0 MPH
• Jogging: 4.0 - 6.0 MPH
• Running: 6.0 - 10.0 MPH
• Fast Running: 10.0 - 12.0 MPH (requires significant fitness)
• Sprinting: 12.0 - 15.5 MPH (ONLY for highly trained athletes)

NEVER attempt high speeds without:

• Comprehensive medical clearance including cardiovascular evaluation
• Extensive progressive training
• Demonstrated capability at that speed outdoors
• Full understanding of risks
• Emergency stop key attached
• Absolute attention and focus

Cardiovascular Exercise Considerations:

• EXTREME INTENSITY POTENTIAL: This equipment can create extreme cardiovascular stress
• HIGH-SPEED RISK: Speeds up to 15.5 MPH create severe cardiovascular demand
• INCLINE/DECLINE EFFECTS: Incline and decline significantly affect cardiovascular stress
• CARDIAC SCREENING ESSENTIAL: Comprehensive cardiac evaluation required before use
• MEDICATIONS: Many medications affect cardiovascular response - consult physician and pharmacist
• GRADUAL PROGRESSION: Increase intensity extremely gradually
• RECOVERY: Adequate recovery essential between high-intensity sessions

User Limitations:

This equipment is NOT suitable for:

• Beginners or novice exercisers
• Individuals without extensive running experience
• Anyone without recent comprehensive medical clearance
• Cardiovascular disease without explicit cardiologist clearance
• Uncontrolled high blood pressure
• Recent cardiac events
• Joint problems affecting lower extremities
• Balance disorders or vertigo
• Neurological conditions affecting coordination or gait
• Recent lower extremity surgery
• Pregnancy (without comprehensive medical clearance)
• Visual impairments affecting balance
• Anyone unable to respond quickly in emergencies
• Anyone who cannot maintain constant attention during use

Environmental Safety:

• STABLE SURFACE: Treadmill must be on stable, level surface capable of supporting 530 lbs + user (up to 500 lbs)
• STRUCTURAL EVALUATION: May require structural engineer evaluation of floor support
• CLEAR AREA: Maintain clear space: 8-10 feet behind, 3 feet on each side (minimum)
• CRITICAL REAR CLEARANCE: 8-10 foot clearance behind treadmill is CRITICAL SAFETY REQUIREMENT
• ADEQUATE LIGHTING: Ensure excellent lighting for safe use
• VENTILATION: Use in well-ventilated area - equipment generates heat
• TEMPERATURE: Use in appropriate temperature environment
• MOISTURE: Keep treadmill and electrical components away from moisture
• HEAVY-DUTY MAT: Use heavy-duty protective mat designed for commercial treadmills

Children and Supervision:

• KEEP CHILDREN AWAY: Children must be kept away from treadmill AT ALL TIMES
• EXTREME DANGER: 15.5 MPH capability poses extreme danger to children
• NEVER UNSUPERVISED: Never leave treadmill unattended when plugged in
• SECURE WHEN NOT IN USE: Unplug and remove emergency stop key when not in use
• LOCKOUT: Consider electrical lockout system to prevent unauthorized use

Emergency Procedures:

• PULL EMERGENCY STOP KEY: First action in any emergency
• STRADDLE BELT: If losing balance, attempt to straddle belt and pull emergency stop key
• EXIT CAREFULLY: After belt stops, exit carefully via side
• CARDIAC EMERGENCY: Call 911 immediately for chest pain or cardiac symptoms
• SEVERE FALL: If severe fall occurs, do not move injured person - call 911
• POWER OFF: Know location of power disconnect
• FIRST AID: Have comprehensive first aid kit accessible
• EMERGENCY CONTACTS: Keep emergency phone numbers immediately accessible
• AED: Consider having Automated External Defibrillator (AED) accessible for high-intensity use

Medical Disclaimer: This exercise equipment is intended for general fitness use by experienced, highly fit individuals only. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Heart rate monitoring features (if equipped) are estimates only and not medically accurate.

MANDATORY Comprehensive Health Consultation:

You MUST obtain comprehensive medical clearance from qualified healthcare providers before using this equipment, including:

Required Medical Evaluations:

• Complete cardiovascular evaluation by cardiologist or sports medicine physician
• Exercise stress test recommended
• Evaluation of joints, particularly lower extremities
• Balance and coordination assessment
• Review of all medications and their effects on exercise response

Medical Conditions Requiring Clearance:

You MUST NOT use this equipment without explicit medical clearance if you have ANY of the following:

• ANY cardiovascular disease or heart conditions
• High or low blood pressure
• History of heart attack, stroke, or cardiac events
• Chest pain or discomfort with exertion
• Irregular heartbeat or arrhythmias
• Pacemaker or implanted cardiac device
• Diabetes
• Respiratory conditions or asthma
• Joint problems, arthritis, or orthopedic conditions
• Balance disorders, vertigo, or dizziness
• Neurological conditions affecting coordination or gait
• Visual impairments
• Obesity
• Pregnancy
• Recent surgery or injuries
• Chronic pain conditions
• Taking ANY medications
• Over age 40
• Any other medical conditions

High-Speed Capability Warning:

This treadmill's 15.5 MPH maximum speed poses EXTREME risks:

• Near maximum sprinting speed
• Requires elite-level fitness
• Catastrophic injury or death can result from falls at high speed
• Only experienced, highly trained athletes should attempt high speeds
• Extensive progressive training required
• Comprehensive cardiac clearance mandatory

Decline Feature Warning:

The -3% decline capability significantly increases fall risk and should only be used:

• By experienced runners
• At reduced speeds
• With extreme caution
• After mastering flat treadmill running

Not for Self-Directed Rehabilitation:

While treadmills may be used in rehabilitation settings, such use should ONLY occur under direct supervision of qualified healthcare professionals. Do not use for self-directed rehabilitation.

Fitness Level Requirement:

This equipment requires:

• High level of cardiovascular fitness
• Extensive running experience
• Ability to run/sprint safely
• Quick reflexes and reaction time
• Excellent balance and coordination
• Ability to maintain constant attention

Beginners should NOT use this equipment.

Exercise Program Guidance:

Individuals using this equipment should:

• Obtain comprehensive medical clearance
• Have extensive treadmill and running experience
• Start at very low speeds (0.5 - 2.0 MPH)
• Increase speed extremely gradually over extended period
• NEVER attempt speeds beyond current outdoor running capability
• Use decline feature only after extensive experience at flat settings
• Monitor response to exercise continuously
• Stop immediately if experiencing any concerning symptoms
• Consider working with qualified fitness professional or coach

Use of high-speed motorized treadmill equipment poses EXTREME and inherent risks including but not limited to:

• DEATH from catastrophic falls at high speed
• Severe traumatic injuries from high-speed falls
• Traumatic brain injury
• Spinal cord injury and paralysis
• Severe fractures
• Cardiovascular events including heart attack
• Stroke
• Abnormal heart rhythms and sudden cardiac death
• Severe friction burns from moving belt
• Joint injuries
• Muscle tears
• Loss of consciousness
• Electrical shock
• Other catastrophic injuries

The risks associated with this equipment are SEVERE and potentially FATAL. Use of high-speed settings dramatically increases these risks.

Individual fitness levels, cardiac health, running ability, balance, coordination, and exercise tolerance vary dramatically. Users assume ALL risks associated with equipment use.

Product Design and Critical Disclosures:

• EXTREME SPECIFICATIONS:
  • Maximum speed: 15.5 MPH - NEAR SPRINT SPEED - EXTREME INJURY RISK
  • Equipment weight: 530 lbs - EXTREMELY HEAVY - professional installation mandatory
  • Decline capability: -3% - increases fall risk significantly
  • Maximum user weight: 500 lbs
  • 5 HP motor - requires dedicated electrical circuit
  • Dimensions: 83" L × 40" W × 61" H

• CRITICAL CLEARANCE: 8-10 feet clearance behind treadmill MANDATORY
• DEDICATED ELECTRICAL CIRCUIT REQUIRED
• PROFESSIONAL INSTALLATION MANDATORY - both assembly and electrical
• NOT FOR BEGINNERS OR NOVICE EXERCISERS
• REQUIRES HIGH FITNESS LEVEL AND RUNNING EXPERIENCE
• Emergency stop key/safety clip must be used at all times
• Heart rate monitoring (if equipped) provides estimates only - not medically accurate
• Cushioning reduces but does not eliminate impact forces
• Moving belt up to 15.5 MPH poses extreme hazard
• Assembly and electrical installation require professionals
• Regular professional maintenance required
• Not suitable for most individuals

Legal Compliance and Liability:

Users and owners are fully responsible for:

• Obtaining comprehensive medical clearance including cardiac evaluation
• Confirming high fitness level and running experience adequate for equipment capabilities
• Professional installation and electrical connection by qualified professionals
• Ensuring structural support adequate for 530 lb equipment plus user
• Following all safety guidelines and manufacturer instructions
• Ensuring 8-10 foot clearance behind treadmill at all times
• Regular professional inspection and maintenance
• Not exceeding weight capacity
• Always using emergency stop key/safety clip
• Using equipment only within personal capabilities
• NEVER allowing use by beginners, children, or unqualified individuals
• Never using speeds or decline beyond demonstrated capability
• Supervising all use and controlling access
• Understanding and accepting EXTREME inherent risks
• Complying with all applicable regulations

The manufacturer and seller expressly disclaim all liability for injuries, deaths, property damage, or any other damages resulting from use or misuse of this product.

This high-speed motorized treadmill can cause severe injury or death. The 15.5 MPH maximum speed capability poses EXTREME risks. Use at your own risk.