Drive Sprockets for Tracked Vehicles | Specifications & Verification

Product Specifications

Technical details and manufacturing context for Drive Sprockets

Definition

Drive sprockets are critical components in tracked vehicle undercarriage systems that engage with track links to propel the vehicle. They convert rotational power from the transmission into linear motion of the tracks, providing traction and mobility over various terrains. These sprockets are typically made from alloy steel or hardened steel to withstand high loads and wear. Key parameters include pitch (50.8–203.2 mm per ISO 606), number of teeth (9–30), pitch circle diameter (150–1200 mm), tooth hardness (50–60 HRC per ISO 18265), tensile strength (800–1200 MPa per ISO 898-1), operating temperature (-40–85 °C), max torque capacity (500–5000 N·m), bore diameter (50–200 mm per ISO 286-2), weight (20–150 kg), and material grade (40Cr–42CrMo per GB/T 3077). These values are reference ranges and must be confirmed for the specific model and application. Drive sprockets must interface correctly with the track pitch and the transmission output shaft. Verification questions include checking the sprocket's pitch compatibility with the track chain, bore diameter matching the shaft, and tooth hardness for the expected service conditions. Maintenance signals include excessive wear on tooth profiles, cracking, or deformation, which can lead to track slippage or failure. The sprocket's operational boundary is defined by its torque capacity and material strength; exceeding these limits can cause tooth breakage or catastrophic failure. Always consult the legal manufacturer or supplier to verify model-specific values and standards.

Working Principle

The drive sprocket meshes with the track pins or bushings, pulling the track around the idler wheels and road wheels. As the sprocket rotates, it creates a continuous loop motion in the track system, transferring engine torque to ground contact for propulsion. The sprocket's teeth engage sequentially with the track links, ensuring positive drive and preventing slippage. The number of teeth and pitch determine the speed ratio and torque transmission characteristics. Proper alignment and tension are essential to avoid premature wear and ensure efficient power transfer.

Common Materials

Alloy Steel, Hardened Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Pitch	50.8–203.2 mm	Standard chain pitches for tracked vehiclesISO 606
Number of Teeth	9–30	Affects speed ratio and torque
Pitch Circle Diameter	150–1200 mm	Determines sprocket size and fit
Tooth Hardness	50–60 HRC	Higher hardness improves wear resistanceISO 18265
Tensile Strength	800–1200 MPa	Ensures structural integrity under loadISO 898-1
Operating Temperature	-40–85 °C	Extreme temperatures may require special materials
Max Torque Capacity	500–5000 N·m	Must exceed engine torque output
Bore Diameter	50–200 mm	Must match shaft sizeISO 286-2
Weight	20–150 kg	Affects vehicle dynamics and fuel efficiency
Material Grade	40Cr–42CrMo	Alloy steel for high strength and wear resistanceGB/T 3077

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Sprocket Hub
Central mounting component that connects to the final drive shaft

Material: Forged Steel
Sprocket Teeth Part
Engage with track pins or bushings to transmit rotational force

Material: Hardened Alloy Steel
Mounting Flange Part
Provides secure attachment to the final drive assembly

Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Drive Sprockets.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Carrier/Undercarriage

View system integration details

Manufacturers of Drive Sprockets

Manufacturer profiles associated with Drive Sprockets.

Sourcing Drive Sprockets from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What materials are drive sprockets typically made from?

Drive sprockets are commonly made from alloy steel or hardened steel, as listed in the directory. The material grade may range from 40Cr to 42CrMo, but always confirm the exact grade with the manufacturer for your application.

How do I select the correct drive sprocket for my tracked vehicle?

Selection requires matching the sprocket's pitch to the track chain pitch, the bore diameter to the shaft size, and ensuring the torque capacity exceeds the engine's output. Also consider the number of teeth for desired speed and torque. Verify all parameters with the vehicle manufacturer.

What are common signs of drive sprocket wear?

Common signs include visible tooth wear, cracking, or deformation. You may also notice track slippage or unusual noise. Regular inspection is recommended to detect wear early and prevent failure.

What standards apply to drive sprockets?

Relevant standards include ISO 606 for chain pitches, ISO 18265 for hardness conversion, ISO 898-1 for tensile strength, and ISO 286-2 for bore tolerances. These are reference standards; the manufacturer must confirm compliance for the specific product.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Drive Sprockets

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Not applicable (mechanical component)
other spec:	Max torque capacity: 500-5000 Nm depending on size, Max rotational speed: 500-2000 RPM
temperature:	-40°C to 150°C

Drive Sprockets

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards