Machine models

Yanmar Vio45-5 to Vio55-5B specifications

Entries in this reference
Listing-entry count
4

Short answer

Yanmar Vio45-5 to Vio55-5B: excavators.

Selected configuration figures
Configuration	Documented field and quantity
Vio45-5	Gross Power 38.7 hp Operating Weight 10,388 lb
Vio45-5B	Net Power 39.5 hp Operating Weight 10,560 lb
Vio55-5	Gross Power 38.7 hp Operating Weight 11,576 lb
Vio55-5B	Net Power 39.5 hp Operating Weight 11,861 lb

Vio45-5 to Vio55-5B specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Yanmar	Vio45-5 to Vio55-5B	4	Vio45-5, Vio45-5B, Vio55-5, and Vio55-5B

Boom/Stick Option (Hex) 1
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Shipping Length Of Unit	17.26 ft	17.26 ft	18.25 ft	18.25 ft
Shipping Height Of Unit	8.6 ft	8.6 ft	8.6 ft	8.6 ft
Max Cutting Height	19.53 ft	19.53 ft	21.13 ft	21.13 ft
Max Loading Height	12.83 ft	12.83 ft	14.44 ft	14.44 ft
Max Reach Along Ground	19.1 ft	19.1 ft	20.35 ft	20.35 ft
Max Vertical Wall Digging Depth	8.86 ft	8.86 ft	9.52 ft	9.52 ft
Max Digging Depth	12.08 ft	12.08 ft	13.06 ft	13.06 ft
Boom/Stick Option (Hex) 1	Standard	Standard	Standard	Standard

Dimensions and weight
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Width To Outside Of Tracks	6.4 ft	6.4 ft	6.53 ft	6.53 ft
Ground Clearance	1.19 ft	1.19 ft	1.19 ft	1.19 ft
Height To Top Of Cab	8.6 ft	8.6 ft	8.6 ft	8.6 ft
Tail Swing Radius	3.2 ft	3.2 ft	3.27 ft	3.27 ft

Undercarriage
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Shoe Size	13.78 in	13.78 in	15.75 in	15.75 in
Ground Pressure	4.32 psi	4.31 psi	4.12 psi	4.22 psi
Max Travel Speed	2.8 mph	2.8 mph	2.7 mph	2.7 mph

Engine
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Engine Model	4TNV88-PBV	4TNV88	4TNV88-PBV	4TNV88-BXBV
Power Measured @	2,400 rpm	2,400 rpm	2,400 rpm	2,400 rpm

Specification	Vio45-5	Vio55-5
Gross Power	38.7 hp	38.7 hp

Specification	Vio45-5B	Vio55-5B
Net Power	39.5 hp	39.5 hp

Operational
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Operating Weight	10,388 lb	10,560 lb	11,576 lb	11,861 lb
Fuel Capacity	16.9 gal	17 gal	16.9 gal	17 gal
Hydraulic System Relief Valve Pressure	3,133 psi	3,133 psi	3,553 psi	3,553 psi
Hydraulic Pump Flow Capacity	35 gpm	19.8 gpm	35 gpm	21.3 gpm

Swing Mechanism
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Swing Speed	10 rpm	10 rpm	10 rpm	10 rpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
Vio45-5 to Vio55-5B	18

Ratios
Figure	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Engine horsepower per 1,000 lb of weight	3.7	3.7	3.3	3.3
Fuel tank per engine horsepower	0.44 gal	0.43 gal	0.44 gal	0.43 gal
Hydraulic power from the listed pump flow and relief pressure	64.0 hp	36.2 hp	72.6 hp	44.2 hp

Yanmar Vio45-5 to Vio55-5B: excavator

Vio45-5 to Vio55-5B: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	excavator	Yanmar and the Vio45-5, Vio45-5B, Vio55-5, Vio55-5B	11

Topics named by those titles
Title topic	Titles
hydraulics	2

Topic in the title	Threads	Share of matching threads
hydraulics	2	18%

Yanmar Vio55 5 Slow Swing Motor (Heavy Equipment Forums, 2026-06-28)
2012 Yanmar Vio 55 5b Issues Need Advice (Heavy Equipment Forums, 2026-06-15)
New To Me 2010 Yanmar Vio55 5b (Heavy Equipment Forums, 2026-03-11)
Yanmar Vio45 5b Swing Failure (Heavy Equipment Forums, 2025-06-20)

Used market for the Vio45-5 to Vio55-5B — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Yanmar excavator	16

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
Vio45-5	1	2007	$9,500	$9,500	$9,500	4,824
Vio55-5B	15	2011 to 2022	$9,000	$23,926	$13,000	5,400

Vio45-5 to Vio55-5B: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Yanmar together with the excavator Vio45-5, Vio45-5B, Vio55-5, Vio55-5B	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Yanmar Vio45-5 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Yanmar Vio45-5B — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Yanmar Vio55-5 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Yanmar Vio55-5B — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Yanmar Vio45-5 to Vio55-5B — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Yanmar Vio45-5 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Yanmar — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Yanmar Vio45-5 to Vio55-5B: Configuration records

Vio45-5

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	17.26 ft
Shipping Height Of Unit	8.6 ft
Max Cutting Height	19.53 ft
Max Loading Height	12.83 ft
Max Reach Along Ground	19.1 ft
Max Vertical Wall Digging Depth	8.86 ft
Max Digging Depth	12.08 ft
Boom/Stick Option (Hex) 1	Standard
Dimensions and weight
Width To Outside Of Tracks	6.4 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.6 ft
Tail Swing Radius	3.2 ft
Undercarriage
Shoe Size	13.78 in
Ground Pressure	4.32 psi
Max Travel Speed	2.8 mph
Engine
Engine Model	4TNV88-PBV
Gross Power	38.7 hp
Power Measured @	2,400 rpm
Operational
Operating Weight	10,388 lb
Fuel Capacity	16.9 gal
Hydraulic System Relief Valve Pressure	3,133 psi
Hydraulic Pump Flow Capacity	35 gpm
Swing Mechanism
Swing Speed	10 rpm

Source

Vio45-5B

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	17.26 ft
Shipping Height Of Unit	8.6 ft
Max Cutting Height	19.53 ft
Max Loading Height	12.83 ft
Max Reach Along Ground	19.1 ft
Max Vertical Wall Digging Depth	8.86 ft
Max Digging Depth	12.08 ft
Boom/Stick Option (Hex) 1	Standard
Dimensions and weight
Width To Outside Of Tracks	6.4 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.6 ft
Tail Swing Radius	3.2 ft
Undercarriage
Shoe Size	13.78 in
Ground Pressure	4.31 psi
Max Travel Speed	2.8 mph
Engine
Engine Model	4TNV88
Power Measured @	2,400 rpm
Net Power	39.5 hp
Operational
Operating Weight	10,560 lb
Fuel Capacity	17 gal
Hydraulic System Relief Valve Pressure	3,133 psi
Hydraulic Pump Flow Capacity	19.8 gpm
Swing Mechanism
Swing Speed	10 rpm

Source

Vio55-5

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	18.25 ft
Shipping Height Of Unit	8.6 ft
Max Cutting Height	21.13 ft
Max Loading Height	14.44 ft
Max Reach Along Ground	20.35 ft
Max Vertical Wall Digging Depth	9.52 ft
Max Digging Depth	13.06 ft
Boom/Stick Option (Hex) 1	Standard
Dimensions and weight
Width To Outside Of Tracks	6.53 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.6 ft
Tail Swing Radius	3.27 ft
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.12 psi
Max Travel Speed	2.7 mph
Engine
Engine Model	4TNV88-PBV
Gross Power	38.7 hp
Power Measured @	2,400 rpm
Operational
Operating Weight	11,576 lb
Fuel Capacity	16.9 gal
Hydraulic System Relief Valve Pressure	3,553 psi
Hydraulic Pump Flow Capacity	35 gpm
Swing Mechanism
Swing Speed	10 rpm

Source

Vio55-5B

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	18.25 ft
Shipping Height Of Unit	8.6 ft
Max Cutting Height	21.13 ft
Max Loading Height	14.44 ft
Max Reach Along Ground	20.35 ft
Max Vertical Wall Digging Depth	9.52 ft
Max Digging Depth	13.06 ft
Boom/Stick Option (Hex) 1	Standard
Dimensions and weight
Width To Outside Of Tracks	6.53 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.6 ft
Tail Swing Radius	3.27 ft
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.22 psi
Max Travel Speed	2.7 mph
Engine
Engine Model	4TNV88-BXBV
Power Measured @	2,400 rpm
Net Power	39.5 hp
Operational
Operating Weight	11,861 lb
Fuel Capacity	17 gal
Hydraulic System Relief Valve Pressure	3,553 psi
Hydraulic Pump Flow Capacity	21.3 gpm
Swing Mechanism
Swing Speed	10 rpm

Source

Compare Yanmar Vio45-5, Vio45-5B, Vio55-5, Vio55-5B

Boom/Stick Option (Hex) 1
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Shipping Length Of Unit	17.26 ft	17.26 ft	18.25 ft	18.25 ft
Shipping Height Of Unit	8.6 ft	8.6 ft	8.6 ft	8.6 ft
Max Cutting Height	19.53 ft	19.53 ft	21.13 ft	21.13 ft
Max Loading Height	12.83 ft	12.83 ft	14.44 ft	14.44 ft
Max Reach Along Ground	19.1 ft	19.1 ft	20.35 ft	20.35 ft
Max Vertical Wall Digging Depth	8.86 ft	8.86 ft	9.52 ft	9.52 ft
Max Digging Depth	12.08 ft	12.08 ft	13.06 ft	13.06 ft
Boom/Stick Option (Hex) 1	Standard	Standard	Standard	Standard

Dimensions and weight
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Width To Outside Of Tracks	6.4 ft	6.4 ft	6.53 ft	6.53 ft
Ground Clearance	1.19 ft	1.19 ft	1.19 ft	1.19 ft
Height To Top Of Cab	8.6 ft	8.6 ft	8.6 ft	8.6 ft
Tail Swing Radius	3.2 ft	3.2 ft	3.27 ft	3.27 ft

Undercarriage
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Shoe Size	13.78 in	13.78 in	15.75 in	15.75 in
Ground Pressure	4.32 psi	4.31 psi	4.12 psi	4.22 psi
Max Travel Speed	2.8 mph	2.8 mph	2.7 mph	2.7 mph

Engine
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Engine Model	4TNV88-PBV	4TNV88	4TNV88-PBV	4TNV88-BXBV
Power Measured @	2,400 rpm	2,400 rpm	2,400 rpm	2,400 rpm

Operational
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Operating Weight	10,388 lb	10,560 lb	11,576 lb	11,861 lb
Fuel Capacity	16.9 gal	17 gal	16.9 gal	17 gal
Hydraulic System Relief Valve Pressure	3,133 psi	3,133 psi	3,553 psi	3,553 psi
Hydraulic Pump Flow Capacity	35 gpm	19.8 gpm	35 gpm	21.3 gpm

Swing Mechanism
Specification	Vio45-5	Vio45-5B	Vio55-5	Vio55-5B
Swing Speed	10 rpm	10 rpm	10 rpm	10 rpm

More in Yanmar: ViO50-6A/ViO55-6A, ViO35-6A, SV08-1.

Yanmar Vio45-5 to Vio55-5B specifications

Yanmar Vio45-5 to Vio55-5B: excavator

Sources for this page

Yanmar Vio45-5 to Vio55-5B: Configuration records