Machine models

SANY SY135 to SY420 specifications

Entries in this reference
Listing-entry count
3

Short answer

SANY SY135 to SY420: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
SY135	Gross Power 92.6 hp Operating Weight 29,763 lb
SY310	Gross Power 260.2 hp Operating Weight 66,800 lb
SY420	Gross Power 315.2 hp Operating Weight 91,712 lb

SY135 to SY420 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
SANY	SY135 to SY420	3	SY135, SY310, and SY420

Boom/Stick Option (Hex) 1
Specification	SY135	SY310	SY420
Shipping Length Of Unit	25.27 ft	35.88 ft	39.6 ft
Shipping Height Of Unit	9.24 ft	10.68 ft	13.23 ft
Max Loading Height	20.24 ft	23.33 ft	24.78 ft
Max Reach Along Ground	27.3 ft	36.42 ft	39.38 ft
Max Vertical Wall Digging Depth	15.92 ft	21.26 ft	22.61 ft
Max Digging Depth	18.07 ft	24.22 ft	25.69 ft

Dimensions and weight
Specification	SY135	SY310	SY420
Ground Clearance	1.32 ft	1.65 ft	1.83 ft
Width To Outside Of Tracks	8.37 ft	10.47 ft	10.96 ft
Length Of Track On Ground	9.45 ft	12.14 ft	13.19 ft
Tail Swing Radius	8.21 ft	10.47 ft	15.85 ft

Undercarriage
Specification	SY135	SY310	SY420
Shoe Size	19.69 in	23.63 in	23.63 in
Max Travel Speed	3.42 mph	3.11 mph	3.24 mph

Engine
Specification	SY135	SY310	SY420
Number Of Cylinders	3	6	6
Engine Model	BB-4BG1TRP	QSB8.3	6D24-TLU2G
Gross Power	92.6 hp	260.2 hp	315.2 hp
Power Measured @	2,200 rpm	2,000 rpm	2,000 rpm
Displacement	262.5 cu in	506.5 cu in	729.3 cu in

Operational
Specification	SY135	SY310	SY420
Operating Weight	29,763 lb	66,800 lb	91,712 lb
Hydraulic Pump Flow Capacity	64 gpm	140.1 gpm	190.3 gpm

Buckets
Specification	SY135	SY310	SY420
Reference Bucket Capacity	0.7 yd3	1.9 yd3	2.7 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
SY135 to SY420	20

Ratios
Figure	SY135	SY310	SY420
Engine horsepower per 1,000 lb of weight	3.1	3.9	3.4

Reference directory classification
Equipment group	full-size excavator

SY135 to SY420: forum references

Dated forum-index scope
Forum index	Exact-model query	Exact-model title matches	Broader equipment query	Broader title matches
The Farming Forum and Heavy Equipment Forums	SANY full-size excavator	0	SANY full-size excavators	5

Who Knows About Sany Diggers (The Farming Forum, 2025-04-25)
Sany Excavators (Heavy Equipment Forums, 2016-08-30)
Sany Brand Excavators And Equipment Quality New Georgia Headquarters (Heavy Equipment Forums, 2014-07-26)
Sany Excavators (Heavy Equipment Forums, 2013-07-30)

Used market for the SY135 to SY420 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	SANY full-size excavator	175

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
SY135	174	2016 to 2026	$51,000	$156,700	$80,950	1,310
SY310	1	2007	$47,068	$47,068	$47,068	None shown

SY135 to SY420: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	SANY together with the full-size excavator SY135, SY310, SY420	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: SANY SY135 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: SANY SY310 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: SANY SY420 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: The Farming Forum thread index for SANY SY135 to SY420 — The Farming Forum. Observed 2026-09-25.
Forum threads	Forum threads: Heavy Equipment Forums thread index for SANY SY135 to SY420 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for SANY SY135 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for SANY — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

SY135

Specification	Source figure
Specifications
Shipping Length Of Unit	25.27 ft
Shipping Height Of Unit	9.24 ft
Max Loading Height	20.24 ft
Max Reach Along Ground	27.3 ft
Max Vertical Wall Digging Depth	15.92 ft
Max Digging Depth	18.07 ft
Ground Clearance	1.32 ft
Width To Outside Of Tracks	8.37 ft
Length Of Track On Ground	9.45 ft
Tail Swing Radius	8.21 ft
Shoe Size	19.69 in
Max Travel Speed	3.42 mph
Number Of Cylinders	3
Engine Model	BB-4BG1TRP
Gross Power	92.6 hp
Power Measured @	2,200 rpm
Displacement	262.5 cu in
Operating Weight	29,763 lb
Hydraulic Pump Flow Capacity	64 gpm
Reference Bucket Capacity	0.7 yd3

SY310

Specification	Source figure
Specifications
Shipping Length Of Unit	35.88 ft
Shipping Height Of Unit	10.68 ft
Max Loading Height	23.33 ft
Max Reach Along Ground	36.42 ft
Max Vertical Wall Digging Depth	21.26 ft
Max Digging Depth	24.22 ft
Ground Clearance	1.65 ft
Width To Outside Of Tracks	10.47 ft
Length Of Track On Ground	12.14 ft
Tail Swing Radius	10.47 ft
Shoe Size	23.63 in
Max Travel Speed	3.11 mph
Number Of Cylinders	6
Engine Model	QSB8.3
Gross Power	260.2 hp
Power Measured @	2,000 rpm
Displacement	506.5 cu in
Operating Weight	66,800 lb
Hydraulic Pump Flow Capacity	140.1 gpm
Reference Bucket Capacity	1.9 yd3

SY420

Specification	Source figure
Specifications
Shipping Length Of Unit	39.6 ft
Shipping Height Of Unit	13.23 ft
Max Loading Height	24.78 ft
Max Reach Along Ground	39.38 ft
Max Vertical Wall Digging Depth	22.61 ft
Max Digging Depth	25.69 ft
Ground Clearance	1.83 ft
Width To Outside Of Tracks	10.96 ft
Length Of Track On Ground	13.19 ft
Tail Swing Radius	15.85 ft
Shoe Size	23.63 in
Max Travel Speed	3.24 mph
Number Of Cylinders	6
Engine Model	6D24-TLU2G
Gross Power	315.2 hp
Power Measured @	2,000 rpm
Displacement	729.3 cu in
Operating Weight	91,712 lb
Hydraulic Pump Flow Capacity	190.3 gpm
Reference Bucket Capacity	2.7 yd3