KX121-3S Specification download(pdf/336KB)

Model KX121-3S KX121-3S 6-in-1 Blade KX121-3S Angle Blade
Type of ROPS / OPG (Top Guard Level I)* Canopy / Cab
Type of tracks Steel / Rubber
Engine Model Kubota V2203-M-E3
Output (SAE J1995 gross) HP (kW)/rpm 40.5 (30.2) / 2250
Output (SAE J1349 net) HP (kW)/rpm 39.0 (29.1) / 2250
Displacement cu. in. (cc) 134.1 (2197)
Dimensions Overall length ft. in. (mm) 16'9" (5090)
Overall height Canopy / Cab ft. in. (mm) 8'3" (2495) / 8'2" (2480)
Overall width ft. in. (mm) 5'7" (1700) 5'10.9" (1800) 5'7" (1700)
Min. ground clearance in. (mm) 13.0" (330)
Hydraulic system Pump capacity GPM (l/min) 25.0 (94.5)
Auxiliary hydraulic flow GPM (l/min) 15.9 (60)
Max. breakout force Bucket / Arm lbf. (kgf) 8754 (3970) / 3947 (1790)
Drive system Travel speed Low / High mph (km/h) 1.7 (2.7) / 3.1 (5.0)
Max. traction force Low speed lbf. (kgf) 9867 (4485)
Tumbler distance ft. in. (mm) 5'8" (1710)
Crawler length ft. in. (mm) 7'2" (2175)
Shoe width ft. in. (mm) 13.8" (350)
Ground contact pressure Canopy Rubber / Steel psi (kgf/cm2) 4.41 (0.31) / 4.41 (0.31) 4.83 (0.34) / 4.83 (0.34) 4.41 (0.31) / 4.56 (0.32)
Cab Rubber / Steel psi (kgf/cm2) 4.41 (0.31) / 4.55 (0.32) 4.98 (0.35) / 4.98 (0.35) 4.41 (0.31) / 4.69 (0.33)
Swing system Unit swing speed rpm 9.4
Boom swing angle Left / Right degree   80 / 50  
Blade
Dimensions Width ft. in. (mm) 5'7" (1700) 5'10.9" (1800) 5'7" (1700)
Height ft. in. (mm) 13.8" (350) 15.16" (385)
Max. lift above ground ft. in. (mm) 15.7" (400) 17.0" (433) 16.5" (420)
Max. drop below ground ft. in. (mm) 15.9" (405) 20.7" (527) 20.1" (510)
Max. swing angle Left / Right degree - 25 25
Tilt degree - 10 -
Hydraulic oil (reservoir / system) gal (l) 12.0 (46) / 19.8 (75)
Fuel reservoir gal (l) 16.9 (64)
Operating weight
(Including operator's weight 175 lbs.)
Canopy Rubber / Steel lbs. (kgf) 9063 (4110) / 9185 (4175) 9790 (4440) / 9930 (4505) 9435 (4280) / 9656 (4380)
Cab Rubber / Steel lbs. (kgf) 9261 (4200) / 9383 (4265) 9990 (4530) / 10130 (4595) 9634 (4370) / 9855 (4470)

* OPG (Top Guard Level I) in accordance with ISO10262 is equivalent in definition to FOPS (Falling Object Protective Structure).
The company reserves the right to change the above specifications without notice. This brochure is for descriptive purposes only.
Please contact your local Kubota dealer for warranty infomation.
For your safety, Kubota strongly recommends the use of a Rollover Protective Structure (ROPS) and seat belt for almost all applications.