Transmission

Circle G has the transmission parts parts you need to keep your tractor running at peak performance. We stock parts for Jinma tractors, Farm Pro tractors, NorTrac tractors, and many more. Browse our inventory below, or filter on the left by make and model.

Hydraulic Washer 20
$2.25
Oil Seal 50x72x7 (Oil seal replacement is 50x72x8)
$12.50
Oil Seal 50x72x12
$12.50
Hydraulic Washer 18
$2.25
160.37.181 (Shift Boot for Gear Shift Cover)
$7.49
Bearing 92307E (For Front Axle on 200 Series Tractors)
$42.95
300.37.312 - Style 2 (Water cover guard-Shift Boot)
$12.50
Stud M12x1.25x30 (wheel stud)
$3.99
Bolt M10x30
$1.75
Oil Seal 55x75x12
$11.25
Hydraulic Washer 16
$2.25
Bolt M8x25
$1.75
Oil Cup M10x1 Zerk Fitting
$3.50
Oil Seal 35x55x10 (Clutch Shaft Seal 200 Series)
$8.50
Washer 10
$1.50
160.37.150 (Gasket for Transmission Housing)
$7.99
304.37s.121 (1st reverse shift fork Transmission)
$28.00
Lockwasher 10
$1.50
160.37.180 (Selector Lever for Gear Shift Cover)
$28.95
Bearing 6004 or 104 (For Steering Column)
$24.95
184.37.401 (Shift Lump for PTO Shaft Engagement)
$15.50
Pin 8x32
$2.95

Out of stock
Oil Seal 50x80x12( For Brake Shaft)
$12.50
160.37.175 (Shift plate cover gasket for transmission)
$8.50
Bolt M10x25
$1.75
Nut M10
$1.25
Nut M8
$1.75
O-Ring 15x2.65
$2.49
Bearing 6305
$29.99
Nut M12
$2.25
Washer 8
$1.25
Pin 5x32
$2.25
160.37.154 (Gasket for PTO Shaft Cover)
$5.25
Bolt M10x35
$2.25
184.37.330 ( Spine Sleeve/ .81" for Bellhousing )
$34.95
160.37.178 (Shift knob 200 Series Tractors)
$11.50
180.37.301 (Operation Handle For Real differential lock)
$34.50
Bolt M8x30
$2.25
Circlip 35
$5.00
Circlip 37
$5.00
Oil Seal 35x55x8 (Clutch Shaft Seal 300 Series)
$8.50
160.37.148 ( Locking Spring for Fork Shaft Transmission )
$4.95
Bearing 6207/207 ( 200 Series Clutch, Front Axle & Transmission, 400 Series PTO)
$39.25
O-Ring 28x3.55
$2.49
Washer 12
$0.75
Washer 14
$1.75
160.37.018-2 (Dipsitck for Transmission)
$20.50
160.37.170 (Pin for Rear Axle)
$5.50
Bearing 6006/106
$29.99
Bearing 6007/107
$50.25
Round Nut M52x1.5
$4.25
160.37.035 (Vent pipe cap for Front Axle and Gear Shift Cover)
$6.95
160.37.127 (Bearing Seat Gasket for Input Shaft)
$4.50
160.37.129 ( Gasket for Front of Transmission )
$8.95
160.37.149 (Spline Sleeve for Transmission)
$31.95
160.37.168-1 ( Spring for Rear Axle )
$6.50
160.37.183 (Spring for Gear Shift Cover)
$4.99
160.37.184 ( Washer for Gear Shift Cover)
$3.75
160.37.230 (PTO RPM Speed Control knob )
$8.99
160.55.104 (Washer)
$2.50
184.37.404-style A ( 16" Shaft for PTO )
$99.25
300.37.172 ( paper gasket for rear end cover for PTO Transmission)
$5.25
Bearing 31305 (Drive Gearbox 300 Series Tractors)
$31.25
Bearing 6206
$42.50
Bearing 6304
$29.99
Bolt M8x20
$1.50
Circlip 34
$5.00
Oil Seal 45x65x8
$8.50
160.37.160 (PTO Cover Housing)
$50.25
160.37.185-2 ( Shift guide plate for Gear Shift Cover)
$12.25
184.37.038-1 ( 4 wheel drive Release handle )
$31.00
184II.37S.150 (PTO clutch shaft)
$148.25
300.37.019 ( Dipstick Transmission Bellhousing )
$16.75
300.37.169 (Front Gasket for Transmission Box Cover)
$11.25
300.37.194 ( Spring for change speed lever )
$3.50
Bearing 210
$43.00
Bearing 6010
$42.50
Bearing 6307
$39.25
Needle Bearing 27x32x23.8
$37.00
Nut M14
$2.25
Pin 2x16
$2.25
Spider Washer 24
$2.25
160.37.032 ( Handle control lever for Shift Cover)
$21.50
160.37.106-1 (I-III Speed gear for Transmission)
$199.00
160.37.144-1 (II-III 29/37 T Gear for Transmission)
$89.25
160.37.159 ( PTO Cover )
$24.95
160.37.208 (Sleeve for Rear Axle)
$11.99
160.37.212-3 (Driving Shaft)
$125.00
160.37.213 ( Rear Axle Housing Gasket )
$2.99
160.37.217-3 (Right Rear Axle Housing)
$199.00
184.37.037-1 (PTO Engagement/Release Rod for 200 Series)
$19.95
184.37.047 ( PTO Speed Control Handle - 540/1,000 RPM)
$19.95
184.37.402-1 (43 Tooth Gear 1000 rpm for Real Axle)
$79.95
184.37.403 ( 20 tooth gear 1000 rpm for Rear Axle )
$62.50
184.37.404-style B ( Shaft 540 rpm for PTO )
$99.25

Out of stock
184.37.470 (Bush for Transmission)
$12.95
184II.37.320 (1st Shaft or Input Shaft)
$134.00
254.37.521 ( bearing seat bracket )
$50.25
300.37.106 ( Sliding gear-second/reverse Transmission)
$95.00
300.37.121 ( 1st shift fork Transmission)
$42.50
300.37.122 ( 2nd Reverse Shift Fork Transmission)
$42.50
300.37.131 ( PTO fork shaft Transmission)
$15.75
300.37.192 (Shift lever for main change speed Transmission Cover)
$39.25
300.37.193 (High-Low Shift Lever Transmission Cover)
$39.59
300.39.203 ( Brake house gasket )
$4.00
304.21.233 (Front Drive Release Fork Bellhousing)
$33.50
304.37s.106 ( 3rd speed/ sliding gear Transmission)
$95.00
304.37s.111 ( Twin Gear High-Low Transmission )
$72.50

Out of stock
304.37s.112 ( Sliding Gear, High-Low 36 tooth-outside/8 tooth-inside Twin Gear High-Low Transmission)
$80.50
304.37s.129-1 ( High-low shift fork shaft Transmission)
$41.50
304.37s.211 ( Handle control lever )
$21.25
4WD Shift Knob
$15.95
Bearing 6211
$39.25
Bolt M10x20
$1.75
Bolt M12x30 6.8
$1.50
Bolt M16x45
$2.25
Bolt M8x16
$1.25
Circlip 42
$5.50
Circlip for Shaft 19
$2.25
Circlip for Shaft 30
$3.50
Needle Bearing 32x38x26
$28.00
O-Ring 11.8x1.8
$2.49
O-Ring 112x3.5
$4.50
Pin 5x24
$2.25
Pin 5x25
$2.25
Pin 8x40
$2.95
Pin B5x30
$2.25
Steel Ball 11/32
$2.49
Washer 20
$3.00
038.150 ( Differntial lock knob/400 series )
$7.95
160.37.101-2A (254I.37.101) Transmission Case Only-200 Series
$775.00
160.37.103-1 ( Gear 43-20T for Transmission )
$67.95
160.37.108 (Reverse Gear for Transmission)
$34.50
160.37.112 ( Thrust Ring-reverse shaft for Transmission )
$5.50
160.37.121-1 (Bearing Seat for Transmission)
$59.95
160.37.123 ( Adjusting shim for Transmission)
$3.00

Out of stock
160.37.130-1 ( 1st Reverse gear-19 tooth for Transmission)
$64.95
160.37.131 (Shift Fork for 1st Gear)
$29.95
160.37.137 Bushing
$11.50
160.37.143-1 (Shift Fork 2nd- 3rd gear)
$29.95
160.37.145-2 ( Fork for Gear Box Shift Cover )
$29.95
160.37.155 ( Cover for 540RPM PTO Shaft)
$20.00

Out of stock
160.37.157-1 (50 T Gear for Rear Axle)
$79.95
160.37.158 ( PTO Shaft for Transmission )
$39.95
160.37.167-1 ( Fork Shaft for PTO Engagement/Disengagement )
$33.50
160.37.182-7 ( Cover for Gear Shift Cover)
$49.95
160.37.187-1 ( fork shaft 2nd to 3rd )
$35.00

Out of stock
160.37.188-1 ( Fork shaft- 10" for Rear Axle)
$35.00

Out of stock
160.37.189-2 ( Sub-Selector Gear Shift Lever )
$19.95
160.37.191 ( Pressure Plate for Gear Shift Cover Plate )
$6.25
160.37.193 ( Shaft for Gear Shift Selector Lever)
$22.00

Out of stock
160.37.196 ( Spiral Bevel Gear for Rear Axle )
$225.00
160.37.197-1 ( Differential case for Rear Axle )
$70.00

Out of stock
160.37.198 ( Planet Gear Shaft for Rear Axle )
$50.00

Out of stock
160.37.199 ( Planet Gear Washer for Rear Axle)
$5.99
160.37.200 ( 11 tooth Planet Gear for Rear Axle)
$39.95
160.37.202 ( Differential Side Gear for Rear Axle)
$34.00

Out of stock
160.37.205 ( Shim for Rear Gearbox)
$4.00

Out of stock
160.37.207-1 ( Bearing Seat for Rear Axle)
$79.95
160.37.214 ( Bearing Cap for Rear Axle)
$31.00
160.37.215-2 (Flat Key for Rear Axle)
$5.00

Out of stock
160.37.216 ( Thrust Washer for Rear Axle)
$3.99
160.37.218 ( Washer for Rear Axle)
$7.50
160.37.219 ( Seat for Sub Selector Lever )
$11.00
160.37.221-3 (Right Claw for Rear Axle)
$38.50

Out of stock
160.37.222 ( Fork for Rear Differential Lock)
$39.99

Out of stock
160.37.223 ( Rear Axle Spring )
$3.00

Out of stock
160.37.225-3 (Left Claw for Rear Axle)
$38.50

Out of stock
160.37.227-1 ( Fork Shaft for Rear Axle )
$31.00
160.37.232 ( Plugging shaft Rear Axle)
$4.99
180.37.302 Axis Pin
$16.75

Out of stock
180.37.303 ( Seat for Rear Axle )
$17.95
180.37.304 ( Plate for Rear Axle )
$29.95
180.37.305 (Stud Bolt for Rear Axle)
$6.99
184.37.042 (Knob for Differential Lock and PTO Engagement Knob)
$19.95
184.37.102 ( 2nd Shaft for Transmission)
$169.95
184.37.146 ( 20/43 Tooth Gear for Transmission )
$109.99
184.37.169-1 (Check Slice for Transmission)
$3.99
184.37.301-1 ( Differential lock handle for Transmission )
$34.50
184.37.305 ( Gear 19/44 for Bellhousing)
$95.00
184.37.328 ( Bearing Seat for Transmission )
$55.00

Out of stock
184.37.436 (Meshing Sleeve)
$99.95
184.37.457 (50 T Gear for Rear Axle)
$89.95
184.37.466 ( Fork for PTO RPM Speed Control)
$29.95
184.37.467 ( Fork Shaft for PTO Speed Control - 540/1,000 RPM)
$24.50
184.37.468 ( Spring for Rear Axle)
$10.50
184.37.469 ( Check Slice for Rear Axle )
$13.95
184.37.473 ( Spring for Rear Axle )
$3.25
184.37.474 ( Washer for Rear Axle)
$4.95