WOMI Tractor 504-B Flat Ground Version | 50HP Open Farm Tractor | Diesel Engine | Factory Direct

8F+2R Synchronized Transmission & 4WD Hydraulic Steering

• 8 forward + 2 reverse gearbox, multiple speed shifts to match different flat ground farming tasks
• Full four-wheel drive structure, fully hydraulic power steering, light and flexible steering for flat plot turning
• Integrated flat floor design, wide leg space, suspended clutch & brake pedals, greatly relieve driver fatigue during all-day flat field work
• Adjustable front & rear track width, adapt to different crop row spacing on flat land

Standard Category 1 Rear 3-Point Linkage & Dual-Speed PTO

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  Rear three-point suspension Category 1, compatible with most European standard farm attachments (plow, harrow, seeder, trailer, fertilizer spreader)

  Dual speed PTO shaft: 540/720 r/min, 6 splines, stable power output for rotary tillers and processing equipment

  Independent hydraulic output system, separate hydraulic safety valve with full opening pressure 17±0.5MPa, stable lifting performance for heavy-duty farm tools on flat ground.

   

  Detailed Description

  Serial number	Project	Unit	Design value Initial identification
  1	Complete machine model and name	/	504-B Flat Ground Version
  2	Complete machine type	/	Wheeled agricultural tractor
  3	Complete machine frame type	/	Integrated body frame
  4	Complete drive type	/	Four-wheel drive
  5	Use of the whole machine	/	General purpose flat farm operation
  6	Outer dimensions of the whole machine (length × width × height, highest point)	mm	3620×1530×2540 ROPS frame top
  7	Wheelbase	mm	1900
  8	Standard front / rear track width	mm	Front:1200; Rear:1200
  9	Adjustable front track width / rear track width	mm	Front: 960, 1100, 1200, 1300 Rear: 1160 ~ 1300
  10	Minimum ground clearance & measuring position	mm	325mm at bottom of front axle housing
  11	Horizontal distance: Clutch housing front face to rear PTO shaft center	mm	1068
  12	Gearbox countershaft hole center distance	mm	80.5
  13	Minimum operating mass	kg	1690
  14	Front / rear axle weight distribution ratio	/	62% / 38%
  15	Number of gears (forward/reverse)	/	8/2
  16	Main gear stages	/	4+1
  17	Auxiliary gear stages	/	2
  18	Maximum theoretical design speed	km/h	34.26
  19	Theoretical speed for each forward gear	km/h	2.27, 3.42, 5.38, 7.41, 10.49, 15.82, 24.85, 34.26
  20	Rollover protection device model	/	704.45.001
  21	Type of rollover protection device	/	Open ROPS safety roll frame (No enclosed cab)
  22	ROPS device manufacturer	/	Jining Womi Heavy Industry Technology Co., Ltd.
  23	Engine model	/	YN27PAF4 (EU Stage IIIA Emission Standard)
  24	Engine structure type	/	In-line, four-stroke
  25	Engine manufacturer	/	Shandong Yunnei Power Co., Ltd.
  26	Number of engine cylinders	/	4
  27	Maximum calibrated power	kW	36.8
  28	Rated net power output	kW	36.8
  29	Engine calibration speed	r/min	2400
  30	Driver seat model	/	NS-TB50
  31	Seat manufacturer	/	Linqu County Nathan Seat Factory
  32	Steering system type	/	Full hydraulic power steering
  33	Steering control type	/	Steering wheel
  34	Steering mechanism type	/	Front wheel steering
  35	Transmission assembly quantity & structure	/	2-stage mechanical split transmission structure
  36	Main gearbox location & shift mode	/	Main gearbox located in the second stage; mechanical stepped shifting
  37	Auxiliary gearbox shift mode	/	Mechanical stepped shifting
  38	Tire specifications (front wheel/rear wheel)	/	7.50-16/12.4-28
  39	Tire quantity (front wheel/rear wheel)	/	2/2
  40	Tyre pressure (Front / Rear)	kPa	170～210/170～230
  41	Hydraulic hitch system type	/	Independent hydraulic output
  42	Rear hitch type	/	Rear 3-point linkage
  43	3-point hitch category	/	Category 1
  44	Working device hydraulic oil pump model	/	CBN-G320H
  45	Number of hydraulic output groups	/	1
  46	Working hydraulic safety valve full opening pressure	MPa	17±0.5
  47	PTO shaft mounting position	/	Rear mounted PTO shaft (Front / Side PTO optional)
  48	PTO shaft spline count	/	6
  49	Rated PTO rotational speed	r/min	540/720
  50	PTO transmission gear ratio	/	3.385/2.733
  51	Minimum mass-to-power ratio	kg/kW	45.92