Snap-on MTMC2950 Torque Multiplier, 1/2″ Input, 1″ Output, 2,950 ft-lb (4,000 N·m) Compact Manual

Description

A 4,000 N·m joint once meant a long bar, a pipe extension and two tired people. The Snap-on MTMC2950 torque multiplier swaps that routine for a small gearbox. It takes a 1/2 in drive input and delivers up to 2,950 ft-lb at a 1 in output. So one technician with a normal shop wrench can close the joint.

Where the Snap-on MTMC2950 torque multiplier sits in the compact line

This unit lands in the middle of the Snap-on compact group that Lost in HCM lists:

All three share the same drives, so pick the one whose rating clears your largest joint with some margin. However, spare capacity also adds weight and bulk.

Shutdown work that suits a 4,000 N·m tool

Cement, steel and power plants often squeeze heavy bolting into short shutdown windows. A compact manual unit helps there, since it needs no hose, pump or charger. Typical joints include:

• Crusher frame and liner bolts in quarries and cement plants.
• Kiln drive, girth gear and large gearbox mounts.
• Mill and conveyor pulley bearing housings.
• Turbine casing, generator and large pump base bolts.

Before the window opens, compare each joint value with the MTMC2950 limit.

Planning the input setting

The gearbox multiplies your input by a fixed ratio, minus a small loss. Snap-on gives the MTMC2950 ratio and any correction factor on the tool or in its manual, so read those first. Next, divide the target by the effective ratio to find the wrench setting. As a result, a modest value on a 1/2 in click wrench produces the full joint load. Also choose an input wrench that reaches that value near the middle of its scale.

Reaction and hand safety

The housing pushes back as hard as the output turns. Therefore rest the reaction foot on a strong, square surface, such as a frame lug or a neighboring nut. Keep hands clear of the foot while you pull. Also stand so the wrench cannot pin you against a wall if a bolt yields.

Keeping the Snap-on MTMC2950 torque multiplier accurate

Clean grit out of the drive squares after each job, and check the output for rounding or cracks. In addition, never use it to free a rusted nut, because shock loads can harm the gear train. Your joint record relies on the gearbox and the input wrench together. So book both for an outside calibration check whenever your quality plan calls for one.

Request a price through Lost in HCM

Our catalog shows the Snap-on MTMC2950 torque multiplier on behalf of Lost in HCM, the company that supplies it in Vietnam. Send your joint values and quantity when you request a quote from Lost in HCM, and they will reply with cost and lead time. Other torque multipliers sit in the same category, while Snap-on keeps brand details on snapon.com. For anything else, contact SMK Vietnam.

Shutdown planner questions

How many people does a 4,000 N·m job need?

Usually one. With the reaction foot braced on solid steel, a single technician handles the setup and the pull.

Which wrench should I use on the input?

Use a calibrated 1/2 in drive torque wrench that covers your calculated setting. A click type works well for this.

What if my largest joint needs more than 2,950 ft-lb?

Step up to a higher-rated unit, such as the MTMC5100. Never push this tool past its rating.