GB/T 6960.2-2025Tractor terminology - Part 2: Transmission system (English PDF)
拖拉机术语 第2部分：传动系
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 6960.2-2025 is the English-translated version of 拖拉机术语 第2部分：传动系.
GB/T 6960.2-2025 is the Chinese standard "Tractor terminology - Part 2: Transmission system". Its scope clause reads: This document defines the terminology and definitions for tractor drivetrains.
This document applies to the production, research, teaching and other related fields of tractors and related parts. Its clauses include general terms.
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Document preview — GB/T 6960.2-2025
National Standard of the People's Republic of China
- ICS
- 65.060.10
- Classification
- T 60
- Replacing
- GB/T 6960.2-2007
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1.Scope
- 2 Normative References
- 3 General Terminology
- 4.Clutch
- 5.Drive shaft 4.
- 6.Gearbox
- 7 transfer case
- 8.Central drive 6.
- 9.Differential 7.
- 10.Front and rear axles
- 11 Final Drive
- 12 Power Output
- References
1 Scope
This document defines the terminology and definitions for tractor drivetrains.
This document applies to the production, research, teaching and other related fields of tractors and related parts.
2 Normative references
This document has no normative references.
3 General Terms
3.1 transmission system
A complete device that converts and controls the speed and torque of the engine/electric motor to transmit them to the drive wheels and power output shaft (pulley).
3.2
A transmission system containing mechanical devices such as a dry clutch, gearbox, and drive axle.
3.3
A transmission system that transmits power to the drive wheels through hydraulic devices, including hydraulic pumps, hydraulic motors, valves, and pipelines.
3.4
A transmission system containing a hydraulic shift clutch.
Note. A hydraulic shift clutch and/or brake is used to change the working gear pair to achieve gear shifting/reversal or starting.
3.5
A transmission system that can achieve continuously variable and precisely controllable speed ratios within a variable speed range.
3.6 electric powertrain
A power system that includes a drive motor system and a transmission system can transmit energy to the drive wheels and the power output shaft.
Note. The drive motor system consists of a drive motor, a drive motor controller, and auxiliary devices necessary for its operation.
3.7
When transmitting power to the drive wheels, it can be done via a route containing hydraulic devices such as hydraulic pumps, hydraulic motors, valves, and pipelines, or via a route containing only hydraulic components.
A transmission system that uses mechanical devices such as gears to transmit power along a route, but can only transmit power through one route at a time.
3.8 speed ratio
The ratio of the input shaft speed to the output shaft speed.
CNCA C11-06 | GB/T 24648.1 | GB/T 3871.6 | GB 6376 | GB/T 6960.1 | GB/T 6960.8 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Editions of GB/T 6960.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 6960.2-2025 | Tractor terminology - Part 2: Transmission system | current edition | Current |
| GB/T 6960.2-2007 | Tractor terminology -- Part 2: Transmission system | previous edition | In force |
| GB/T 6960.2-1995 | Tractor terminology--Transmission system | previous edition | Obsolete |
| GB 6960.2-1986 | Tractor terminology--Part 2: Transmission | previous edition | Obsolete |
This page sells the current edition, GB/T 6960.2-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 6960.1-2025 — Tractor terminology - Part 1: Complete tractor
GB/T 6960.3-2007 — Tractor terminology - Part 3: Braking system
GB/T 6960.4-2007 — Tractor terminology - Part 4: Running gears and undercarriages
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