About Willson

CHANGZHOU VISION INTERNATIONAL TRADING Co., Ltd. is a leading manufacturer of single-cylinder diesel engines in China. We primarily produce the Willson brand, 3-45 horsepower, single-cylinder, air- and water-cooled diesel engine series, as well as diesel engine accessories. These engines are suitable for powering small tractors, agricultural machinery, generator sets, water pumps, small construction machinery, air compressors, inland waterway vessels, and agricultural and sideline product processing. Our comprehensive product range, reliable quality, and high reputation are highly sought after throughout China and exported to Asia, Africa, and South America.
The factory is located in Changzhou, a famous city in the south of the Yangtze River.It is adjacent to Shanghai-Nanjing Railway, Shanghai-Nanjing expressway and Beijing-Hangzhou Grand Canal in the north, as well as two expressways, Yangli and Ninghang, which are connected in the territory, and the transportation is very convenient by land and water.
The factory covers an area of 40,000 square meters and has more than 80 professional and technical personnel of various types. It has strong technical force, complete testing methods, reliable product quality, flexible management mechanism and fast after-sales service. The products have passed ISO9001 quality management system certification and ISO14000 environmental management system certification. Advanced quality management methods and a complete quality assurance system ensure that Jintian brand diesel engines have stable product quality.
The enterprise has obtained the right to export by itself, and has won the title of “advanced enterprise” and “Trustworthy enterprise” of provinces and cities for many times.It has successively won the certificates of “China famous and excellent products”, “Provincial quality credit products”, “Provincial consumer trustworthy products”, “Changzhou famous Brand products”, “Jiangsu famous brand products” and so on.
The factory always adhere to the “quality first, reputation first, customer first” business purposes, to provide customers with quality products and services, sincerely welcome domestic and foreign customers to use Jintian diesel engine.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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single cylinder diesel engine

single cylinder diesel engine

Model: ZS1135
Parameters: starting system:hand-start
rated power:35 HP
rated speed:2200 rpm
bore*stroke:132.5x125 mm
displacement:1.73 L
fuel comsumption:252.7 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:17 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1132
Parameters: starting system:hand-start
rated power:32 HP
rated speed:2200 rpm
bore*stroke:130x125 mm
displacement:1.659 L
fuel comsumption:252.7 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:17 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1130
Parameters: starting system:hand-start
rated power:30 HP
rated speed:2200 rpm
bore*stroke:130x120 mm
displacement:1.593 L
fuel comsumption:252.7 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:17 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1125
Parameters: starting system:hand-start
rated power:25 HP
rated speed:2200 rpm
bore*stroke:125x1205 mm
displacement:1.473 L
fuel comsumption:252.7 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:17 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1115
Parameters: starting system:hand-start
rated power:20 HP
rated speed:2200 rpm
bore*stroke:115x115 mm
displacement:1.195 L
fuel comsumption:254.2 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:15 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1110
Parameters: starting system:hand-start
rated power:18 HP
rated speed:2200 rpm
bore*stroke:110x115 mm
displacement:1.093 L
fuel comsumption:257 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:15 L

single engine diesel engine

single engine diesel engine

Model: ZS1105
Parameters: starting system:hand-start
rated power:16.5 HP
rated speed:2200 rpm
bore*stroke:105x115 mm
displacement:0.996 L
fuel comsumption:257 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:12 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS1100
Parameters: starting system:hand-start
rated power:15 HP
rated speed:2200 rpm
bore*stroke:100x115 mm
displacement:0.903 L
fuel comsumption:269 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:12 L

single cylinder diesel engine

single cylinder diesel engine

Model: ZS195
Parameters: starting system:hand-start
rated power:13 HP
rated speed:2200 rpm
bore*stroke:95x115 mm
displacement:0.815 L
fuel comsumption:271.3 g/kW-h
oil comsumption:2.14 g/kW-h
fuel tank capacity:12 L

single cylinder diesel engine

single cylinder diesel engine

Model: EM190
Parameters: starting system:hand-start
rated power:9.5 HP
rated speed:2300 rpm
bore*stroke:90x90 mm
displacement:0.572 L
fuel comsumption:278.5 g/kW-h
oil comsumption:3.57 g/kW-h
fuel tank capacity:9 L

single cylinder diesel engine

single cylinder diesel engine

Model: EM185
Parameters: starting system:hand-start
rated power:8 HP
rated speed:2200 rpm
bore*stroke:85x90 mm
displacement:0.510 L
fuel comsumption:288.4 g/kW-h
oil comsumption:3.57 g/kW-h
fuel tank capacity:9 L

single cylinder diesel engine

single cylinder diesel engine

Model: JR190
Parameters: starting system:hand-start
rated power:9.5 HP
rated speed:2300 rpm
bore*stroke:90x90 mm
displacement:0.572 L
fuel comsumption:288.4 g/kW-h
oil comsumption:3.57 g/kW-h
fuel tank capacity:9 L

single cylinder diesel engine

single cylinder diesel engine

Model: JR185
Parameters: starting system:hand-start
rated power:8 HP
rated speed:2200 rpm
bore*stroke:85x90 mm
displacement:0.510 L
fuel comsumption:288.4 g/kW-h
oil comsumption:3.57 g/kW-h
fuel tank capacity:9 L

single cylinder diesel engine

single cylinder diesel engine

Model: R180
Parameters: starting system:hand-start
rated power:7 HP
rated speed:2600 rpm
bore*stroke:80x80 mm
displacement:0.402 L
fuel comsumption:292.7 g/kW-h
oil comsumption:3.57 g/kW-h
fuel tank capacity:5.5 L

single cylinder diesel engine

single cylinder diesel engine

Model: R175
Parameters: starting system:hand-start
rated power:6 HP
rated speed:2600 rpm
bore*stroke:75x80 mm
displacement:0.353 L
fuel comsumption:294.2 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:4.5 L

single cylinder diesel engine

single cylinder diesel engine

Model: R170A-T
Parameters: starting system:hand-start
rated power:4 HP
rated speed:2600 rpm
bore*stroke:70x70 mm
displacement:0.269 L
fuel comsumption:315 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:3 L

single cylinder diesel engine

single cylinder diesel engine

Model: R170A
Parameters: starting system:hand-start
rated power:4 HP
rated speed:2600 rpm
bore*stroke:70x70 mm
displacement:0.269 L
fuel comsumption:315 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:3 L

single cylinder diesel engine

single cylinder diesel engine

Model: Z175F
Parameters: starting system:hand-start
rated power:5 HP
rated speed:2600 rpm
bore*stroke:75x75 mm
displacement:0.331 L
fuel comsumption:301.4 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:6 L

single cylinder diesel engine

single cylinder diesel engine

Model: Z170F
Parameters: starting system:hand-start
rated power:4 HP
rated speed:2600 rpm
bore*stroke:70x70 mm
displacement:0.269 L
fuel comsumption:304.2 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:6 L

single cylinder diesel engine

single cylinder diesel engine

Model: X170F
Parameters: starting system:hand-start
rated power:5 HP
rated speed:3000 rpm
bore*stroke:70x75 mm
displacement:0.289 L
fuel comsumption:308.5 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:6 L

single cylinder diesel engine

single cylinder diesel engine

Model: 170F
Parameters: starting system:hand-start
rated power:4 HP
rated speed:2600 rpm
bore*stroke:70x75 mm
displacement:0.289 L
fuel comsumption:304.2 g/kW-h
oil comsumption:4.31 g/kW-h
fuel tank capacity:6 L

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GB/T 19001-2016/ISO 9001:2015
GB/T 19001-2016/ISO 9001:2015

Success Stories & Case Studies

Agricultural Irrigation

Agricultural Irrigation

No major failures, met irrigation season requirements
Fuel-efficient design, easy maintenance, adapted to local harsh environments

📍 Location: PK 📦 Quantity: 96 sets

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