Kubota KX121-3 Compact Excavator

The KX121-3 Compact Excavator with Angle BladeDesigned from the ground up to give you the confidence to take on any digging or dozing job.

Powerful, durable, dependable, versatile. The KX121-3 compact excavator from Kubota is all that and more. With its load sensing hydraulic system, simultaneous 4-function operation, the strongest bucket force in its class, and smooth boom operation, the KX121-3 is highly productive. So if you've been hesitating to take on the tough assignments, get a KX121-3 and start digging and dozing with speed, efficiency and total confidence.

Kubota Technology and Options

Kubota Auto Idling SystemKubota Hydraulic Float Angle BladeKubota Hydraulic 6-in1 Blade

  • Engine:  Kubota V2203-M Diesel
  • Horsepower (gross):  42
  • Displacement:  134.1 cu. In.
  • Overall Length:  16' 9"
  • Overall Height:  8' 2" w/ canopy - 8' 3" w/ cab
  • Overall Width:  5' 7"
  • Minimum Ground Clearance:  13"
  • Travel Speed - Low:  1.7 mph
  • Travel Speed - High:  3.1 mph
  • Crawler Length:  7' 2"
  • Shoe Width:  13.8"
  • Ground Contact Pressure:  4.41 psi
  • Unit Swing Speed:  9.4 rpm
  • Boom Swing Angle - Left:  80 degree
  • Boom Swing Angle - Right:  50 degree
  • Blade Width:  5' 7"
  • Blade Height:  13.8"
  • Blade Lift Above Ground:  15.7"
  • Blade Drop Below Ground:  15.9"
  • Blade Swing Angle:  25 degree
  • Operating Weight:  9063 lbs w/ canopy - 9261 lbs w/ cab
  • Digging Depth:  11' 6"
  • Digging Depth - Vertical:  8' 2"
  • Digging Height:  17' 10"
  • Digging Radius:  18' 5"
  • Turning Radius - Tail:  4' 3"
  • Turning Radius - with swing:  5' 6"
  • Turning Radius - without swing:  6' 9"
  • View manufacturer's specs

Common Service Parts and Accessories for the Kubota KX121-3 Compact Excavator

Filters & Elements   [ top ]

Old Item #
New Item # R2401-42280 Air Filter - Inner R2401-42280 Kubota Air Filter, Inner
Price: $16.74
In Stock
Old Item #
New Item # R1401-42270 Air Filter - Outer R1401-42270 Kubota Air Filter
Price: $21.73
In Stock
Old Item #
New Item # HH151-32430 Engine Oil Filter HH151-32430 Kubota Oil Filter
Price: $14.05
2-5 Day Lead Time
Old Item #
New Item # 15221-43170 Fuel Filter 15221-43170 Kubota Fuel Filter
KX121-3SS Only
Price: $12.98
In Stock
Old Item #
New Item # 15291-43010 Fuel Filter 15291-43010 FILTER, FUEL ASS
KX121-3S3 Only
Price: $54.97
2-5 Day Lead Time
Old Item #
New Item # RA211-51280 Fuel Filter Element RA211-51280 Fuel Filter Element
Price: $12.37
In Stock
Old Item #
New Item # 04811-50650 Fuel Filter Gasket 1 (Requires 04811-00160 as well) 04811-50650 Kubota O-Ring
Price: $1.00
In Stock
Old Item #
New Item # 04811-00160 Fuel Filter Gasket 2 (Requires 04811-50650 as well) 04811-00160 Kubota O-Ring
Price: $0.40
Save Even More - buy a Package of 5 for 10% off
In Stock
Old Item #
New Item # RD411-62120 Hydraulic Return Filter RD411-62120 Filter, Return
Price: $52.43
1 In Stock
Old Item #
New Item # RD411-62210 Hydraulic Suction Filter RD411-62210 FILTER, SUCTION
Price: $64.31
1 In Stock

Oils & Fluids   [ top ]

Old Item #
New Item # 70000-68700 Drive Unit SAE 90 Excavator Gear Oil 70000-68700 Kubota Excavator Gear Oil SAE 90 (1 Quart)
Price: $3.96
Save Even More - buy a Case of 12 for 15% off
In Stock
Old Item #
New Item # 70000-10201 Engine Oil 10W-30 (1 Gallon) 70000-10201 SAE 10W-30 Engine Oil (1 Gallon)
Crankcase Holds 9 Quarts/2.25 Gallons
Price: $17.21
Save Even More - buy a Case of 4 for 10% off
In Stock
Old Item #
New Item # 139033A1 Engine Oil 10W-30 (Case No. 1 - 1 Gallon) 139033A1 No. 1 SAE 10W-30 Engine Oil (1 Gallon)
Crankcase Holds 9 Quarts/2.25 Gallons
Price: $16.54
Save Even More - buy a Case of 4 for 10% off
In Stock
Old Item #
New Item # 70000-10001 Engine Oil 15W-40 (1 Gallon) 70000-10001 SAE 15W-40 Engine Oil (1 Gallon)
Crankcase Holds 9 Quarts/2.25 Gallons
Price: $17.21
Save Even More - buy a Case of 4 for 10% off
In Stock
Old Item #
New Item # 139034A1 Engine Oil 15W-40 (Case No. 1 - 1 Gallon) 139034A1 No. 1 SAE 15W-40 Engine Oil (1 Gallon)
Crankcase Holds 9 Quarts/2.25 Gallons
Price: $15.95
Save Even More - buy a Case of 4 for 10% off
In Stock
Old Item #
New Item # 70000-68720 ISO 32 Excavator Hydraulic Fluid - 5 Gallon Bucket 70000-68720 Kubota Construction Equipment Hydraulic Oil ISO 32 - 5 Gallon Bucket
System Holds 19.8 Gallons
Price: $63.68
In Stock
Old Item #
New Item # 70000-68760 ISO 46 Excavator Hydraulic Fluid (5 Gallon Bucket) 70000-68760 Kubota Excavator Hydraulic Oil ISO 46 - 5 Gallon Bucket
System Holds 19.8 Gallons
Price: $67.19
In Stock
Old Item #
New Item # 999677R91 Lincoln Grease Gun (Lever Action) 999677R91 Lincoln Grease Gun (Lever Action)
Price: $44.43
In Stock
Old Item #
New Item # 70000-10401 Tube of Kubota High Performance Grease 70000-10401 High Performance Agricultural/Construction Equipment Grease (14.5 oz)
Price: $3.85
Save Even More - buy a Case of 10 for 10% off
In Stock

Manuals & Literature   [ top ]

Old Item #
New Item # RD138-81213 Operator's Manual RD138-81213 Kubota Operator's Manual for KX121-3 & KX161-3 Excavators
Price: $18.69
2-5 Day Lead Time
Old Item #
New Item # 97899-10033 Parts Manual 97899-10033 PM - KX121-3 EXC
Price: $58.22
2-5 Day Lead Time
Old Item #
New Item # 97899-60551 Service Manual 97899-60551 WSM - KX121-3,KX
Price: $114.29
2-5 Day Lead Time

Electrical   [ top ]

Old Item #
New Item # RC411-53933 Keys (Set of 2) RC411-53933 Kubota Keys (Set of 2)
Price: $15.85
2-5 Day Lead Time

Engine Parts   [ top ]

Old Item #
New Item # 17111-97010 Drive Belt 17111-97010 BELT, V *
Price: $8.25
2-5 Day Lead Time

Bucket Teeth, Cutting Edges and Bucket Accessories   [ top ]

Old Item #
New Item # B2408W50 1/2 Forged Weld-On Grab Hook B2408W50 1/2
Price: $7.45
In Stock
Old Item #
New Item # B2408W375 3/8 Forged Weld-On Grab Hook B2408W375 3/8
Price: $5.20
In Stock
Old Item #
New Item # B2408W 5/16 Forged Weld-On Grab Hook B2408W 5/16
Price: $3.95
In Stock
Old Item #
New Item # ZJZ156SP Bucket Tooth ZJZ156SP Bucket Tooth
Price: $5.63
In Stock
Old Item #
New Item # ZJZ156PN Rollpin for X156 Tooth ZJZ156PN Rollpin
Price: $1.93
In Stock

Buckets, Pins & Couplers   [ top ]

Old Item #
New Item # K7872 12 Inch 2.13 Cu. Ft Trenching Bucket K7872 Kubota 12 Inch 2.13 Cu. Ft Trenching Bucket
Price: $883.00
In Stock
Old Item #
New Item # K7873 16 Inch 2.83 Cu. Ft Trenching Bucket K7873 Kubota 16 Inch 2.83 Cu. Ft Trenching Bucket
Price: $920.00
In Stock
Old Item #
New Item # K7874 18 Inch 3.19 Cu. Ft Trenching Bucket K7874 Kubota 18 Inch 3.19 Cu. Ft Trenching Bucket
Note: Bucket has 4 teeth, thumb tines contact the end of the teeth and do not mesh between the teeth
Price: $979.00
In Stock
Old Item #
New Item # K7875 24 Inch 4.25 Cu. Ft Trenching Bucket K7875 Kubota 24 Inch 4.25 Cu. Ft Trenching Bucket
Price: $1,160.00
In Stock

Toys & Merchandise   [ top ]

Old Item #
New Item # 47999 Kubota License Plate 47999 Kubota License Plate
Price: $4.99
In Stock

We rent KX121-3 Compact Excavators

Daily: $260
Weekly: $670
Monthly: $1925
(See Rental Terms and Conditions)

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