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T-MAXX 3.3 OWNER’S MANUAL • 3 

SAFETY PRECAUTIONS

All of us at Traxxas want you to safely enjoy your new T-Maxx 3.3. Operate 
your T-Maxx 3.3 sensibly and with care, and it will be exciting, safe, and 
fun for you and those around you. Failure to operate your T-Maxx 3.3 in a 
safe and responsible manner may result in property damage and serious 
injury. The precautions outlined in this manual should be strictly followed 
to help ensure safe operation. You alone must see that the instructions are 
followed and the precautions are adhered to. 

Important Points to Remember

• T-Maxx 3.3 is very fast! The T-Maxx 3.3 is intended for experienced 

users with a high level of skill. The TRX 3.3 Racing Engine is extremely 
powerful and may require skilled driving to maintain control. 

• The engine, brakes, and exhaust system may become extremely hot 

during use. Be careful not to touch the parts, especially when refueling 
or stopping the engine.

• 

Model engine fuel is dangerous and highly poisonous.

 Always follow 

all directions and precautions printed on the fuel container. Model 
engine fuel is poisonous to humans and animals. Drinking the fuel can 
cause blindness and death. Handle with care and respect.

• Model engine fuel, especially when in a fuel dispensing bottle, may 

look like a cool drink to a child. 

Keep all fuel out of the reach of 

children at all times. Do not place fuel containers on the ground 
where children can reach them while you are driving.

• 

Model engine fuel is flammable. Never allow smoking, sparks, heat 

or flame in the presence of fuel or fuel vapors.

• Prolonged exposure to the engine exhaust can be harmful. Avoid 

breathing the engine exhaust. Always run your T-Maxx 3.3 outdoors, in 
a well-ventilated area. Never run the engine indoors. 

• Do not operate your T-Maxx 3.3 at night, or anytime your line of sight 

to the model may be obstructed or impaired in any way.

• Never operate your T-Maxx 3.3 in crowds of people or busy pedestrian 

areas. T-Maxx 3.3 is very fast  and could cause injury to those unaware 
of its presence. Keep small children at a safe distance away from the 
operating area.

• Because T-Maxx 3.3 is controlled by radio, it is subject to radio 

interference from many sources beyond your control. Since radio 
interference can cause momentary loss of control, always allow a safety 
margin in all directions around your model to prevent collisions. 

• The engine can be loud. If the noise makes you uncomfortable, wear 

ear protection. Be considerate of your neighbors by not running your 
model early in the morning or late in the evening.

• Most importantly, use good common sense at all times.

Children (minors) under 16 years of age and inexperienced  
drivers should not operate the T-Maxx 3.3 without the supervision  
of a responsible and knowledgeable (experienced) adult.

Batteries and Battery Charging

Your model uses rechargeable batteries that must be handled with 
care for safety and long battery life. Make sure to read and follow all 
instructions and precautions that were provided with the battery packs 
and your charger. It is your responsibility to charge and care for the battery 
packs properly. In addition to your battery and charger instructions, here 
are some more tips to keep in mind.

•  Use the supplied charger to charge the included battery. See “Charging 

the EZ-Start Battery” on page 17.

•  Do not charge batteries inside of an automobile. Do not charge batteries 

while driving in an automobile. The charger is equipped with a long cord 
intended to allow the battery to be charged outside of an automobile 
when using the automobile’s auxiliary power socket. If the cord will not 
reach outside of the automobile, find another power source.

•  Never leave batteries to charge unattended.
•  Allow the battery pack to cool off before charging.
•  Do not use battery packs that have been damaged in any way. Do 

not use battery packs that have damaged wiring, exposed wiring, or a 
damaged connector as this may create the risk of fire.

•  Children should have responsible adult supervision when charging and 

handling batteries.

•  Never charge batteries on wood, cloth, carpet or on any other  

flammable material.

•  Do not operate the charger in a cluttered space, or place objects on top 

of the charger or battery.

•  If a battery gets hot to the touch during the charging process 

(temperature greater than 140°F / 60°C), disconnect the battery from 
the charger and discontinue charging immediately.

•  Always store battery packs safely out of the reach of children and pets.
•  Do not expose the charger to water or moisture.
•  Do not disassemble the charger.
•  Only use approved chargers for Nickel Metal Hydride (NiMH) battery 

packs.

•  Do not short-circuit the battery pack. This may cause burns and severe 

damage to the battery pack.

•  Do not burn or puncture the batteries. Toxic materials could be  

released. If eye or skin contact occurs, flush with water.

•  Store the battery pack in a dry location, away from heat sources and 

direct sunlight.

• NiMH batteries must be recycled or disposed of properly.

Recycling Your Traxxas Power Cell NiMH Battery

Traxxas strongly encourages you to recycle your Power Cell NiMH 
battery when it has reached the end of its useful life. 

Do not throw your 

battery in the trash. 

All Power Cell NiMH battery packs display the RBRC 

(Rechargeable Battery Recycling Corporation) icon, indicating they are 
recyclable. To find a recycling center near you, ask your local hobby 
dealer or visit www.call2recycle.org.dealer or visit www.call2recycle.org.

Entire contents ©2015 Traxxas. Traxxas, Maxx, T-Maxx 

3.

3, TRX 

3.

3 Racing Engine, TQi, Top Fuel, 

EZ-Start, Ready-To-Race, Ready-To-Win, and ProGraphix are trademarks or registered trademarks 
of Traxxas. Other brand names and marks are the property of their respective holders and are 
used only for purposes of identification. No part of this manual may be reproduced or distributed 
in print or electronic media without the express written permission of Traxxas.

Traxxas
6200 Traxxas Way
McKinney, TX 75070
Phone: 972-549-3000

Toll-free 1-888-TRAXXAS
E-mail: [email protected]
Internet: Traxxas.com

INTRODUCTION

FCC Compliance

This device contains a module that complies with the limits for a Class B digital device as described in part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful 
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The limits for a Class B digital device are designed to provide reasonable protection against harmful interference in residential settings. This product generates, uses and can radiate radio frequency energy, and, if not 
operated in accordance with the instructions, may cause harmful interference to radio communications. The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance 
could void the user’s authority to operate the equipment.

Canada, Industry Canada (IC)

This Class B digital apparatus complies with Canadian ICES-003 and RSS-210. This device complies with Industry Canada license exempt RSS standard(s). Operation is subject to the following two conditions: This device may 
not cause interference, and This device must accept any interference, including interference that may cause undesired operation of the device.

Radio Frequency (RF) Exposure Statement

This equipment complies with radio frequency exposure limits set forth by FCC and Industry Canada for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 
centimeters between the radiator and your body or bystanders and must not be co-located or operating in conjunction with any other antenna or transmitter.

Summary of Contents for T-Maxx 3.3 49077

Page 1: ...owner s manual MODEL 49077 1...

Page 2: ...not accept a T Maxx 3 3 for return or exchange after it has been run Warnings Helpful Hints Cross References Throughout this manual you ll notice warnings and helpful hints identified by the icons bel...

Page 3: ...ng Do not use battery packs that have been damaged in any way Do not use battery packs that have damaged wiring exposed wiring or a damaged connector as this may create the risk of fire Children shoul...

Page 4: ...er Small 1 8 inch flat blade screwdriver for tuning Air filter oil Traxxas part 5263 8 AA alkaline batteries 10 quart 5010 20 quart 5020 33 quart 5030 10 gallon 5060 20 gallon 5070 33 gallon 5080 RX P...

Page 5: ...Pipe Exhaust Header TRX 3 3 Racing Engine see pg 13 for details Pressure Line Fuel Line EZ Start Motor EZ Start Plug Bulkhead Body Mount Post Spur Gear Chassis Slipper Clutch Driveshaft Half Shaft On...

Page 6: ...this entire manual for complete instructions on the proper use and maintenance of your model 1 Read the safety precautions on page 3 9 Fill the fuel tank See page 14 For your own safety understand whe...

Page 7: ...iation for milliamp hour A measure of the capacity of the battery pack The higher the number the longer the battery will last between recharges Neutral position The standing position that the servos s...

Page 8: ...BATTERIES The radio receiver in your model uses 4 AA batteries The receiver battery holder is located underneath the battery cover The battery cover can be identified by the on off switch 1 Remove th...

Page 9: ...ff and steering sensitivity will be linear the most commonly used setting Turning the knob clockwise will add expo and decrease the steering sensitivity in the initial range of steering wheel travel l...

Page 10: ...e of travel This setting provides linear servo response the steering servo s movement will correspond exactly with the input from the transmitter s steering wheel Turning the knob clockwise from cente...

Page 11: ...ubic inches or 2 5 cubic centimeters cc The name TRX 2 5 is derived from the cc measurement 20 20 or 20 refers to the size of the engine The TRX 3 3 is 20 cubic inches or 3 3 cubic centimeters cc The...

Page 12: ...best power O ring Rubber O shaped ring used as a sealing gasket Pipe Abbreviation for the tuned exhaust pipe on a nitro engine See Tuned Pipe Piston The piston is the internal engine part that is att...

Page 13: ...t Motor Engine Mount Low Speed Needle Throttle Arm Crankshaft Flywheel Carburetor Air Intake Fuel Intake High Speed Needle Idle Speed Screw EZ Start Plug Positive Wire Negative Wire Fuel Line Fuel Tan...

Page 14: ...e efficiently used in the engine The TRX 3 3 Racing Engine responds exceptionally well to a maximum of 33 nitro returning cooler temps more power and a smoother throttle response For those who want to...

Page 15: ...firmly to the side to release it Do not pull straight up 2 Remove the pre filter element 3 Remove the 3x6mm screw in the end of the filter housing Remove the front housing and the primary filter elem...

Page 16: ...justing screw to control engine idle Do not use the throttle trim on the transmitter to adjust idle speed The idle speed should be set as low as possible and still maintain reliable running Factory Ne...

Page 17: ...ime to find and eliminate the condition that caused the excessive load on the starter motor Use a Strong Starter Battery A weak starter battery or one that has not been fully charged may not deliver e...

Page 18: ...emperature 70 F or 21 C or above the first time you start it If it s cooler than room temperature outside remove all fuel and keep your T Maxx 3 3 indoors until you re ready to start it and then take...

Page 19: ...tical for proper compression and optimum performance If the engine runs too cold during break in the piston and sleeve will not expand to their appropriate sizes for break in and this can lead to prem...

Page 20: ...4 The engine begins to overheat Symptoms of overheating include Steam or smoke coming from the engine not exhaust Hesitation or stalling during acceleration Popping or clattering sound when decelerat...

Page 21: ...than it would in seventy degree weather For this reason we cannot give you a definitive temperature range that indicates the best possible engine tuning The Traxxas Link application s dashboard tempe...

Page 22: ...ng caused by loose or missing parts If your T Maxx 3 3 gets stuck stop driving immediately Move the vehicle and then continue driving Don t tow anything with your T Maxx 3 3 The engine is cooled by ai...

Page 23: ...used to increase the ride height of the T Maxx 3 3 The more vertical position of the shocks will allow for lower shock progression and the soft plush feel that s characteristic of a Traxxas Maxx Truc...

Page 24: ...rs adjust the static camber The pivot balls are protected by blue dust plugs To adjust your static camber insert the supplied 2 5mm hex wrench through the slit in the dust plug and engage the end of t...

Page 25: ...nough room to remove the spur gear 4 Remove the three screws on the slipper clutch assembly using a 2 5mm hex wrench Slide the spur gear off of the slipper shaft If the spur gear is too tight on the s...

Page 26: ...nstallation The Maxx Wheelie Bar can be used on any Maxx truck with the stock rear skid plate rear bumper and rear bumper mounts It is also compatible with the Traxxas accessory aluminum rear bumper p...

Page 27: ...h longer engine life easier starting and better performance When a nitro engine is shut off some excess unburned fuel remains in the engine The methanol in model engine fuel is hygroscopic which means...

Page 28: ...rful Traxxas Link App available in the Apple App StoreSM or on Google PlayTM gives you complete control over the operation and tuning of your Traxxas model with stunning visuals and absolute precision...

Page 29: ...to control Throttle Sensitivity Throttle Sensitivity works the same way as Steering Sensitivity as described on page 10 but applies the effect to the throttle channel Only forward throttle is affected...

Page 30: ...r words the model you used the longest time ago will be deleted Activating Model Lock will lock the receiver in memory so it cannot be deleted You may also bind multiple TQi transmitters to the same m...

Page 31: ...returns to driving mode MENU TREE FORMULAS To select functions and make adjustments to the TQi transmitter without referencing the menu tree turn your transmitter on find the function in the left colu...

Page 32: ...150202 KC2224 R01 6200 Traxxas Way McKinney Texas 75070 1 888 TRAXXAS owner s manual MODEL 49077 1...

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