Machine models

Terex HR3.7 to TC37 specifications

Entries in this reference
Listing-entry count
5

Short answer

Terex HR3.7 to TC37: excavators.

Selected configuration figures
Configuration	Documented field and quantity
HR3.7	Net Power 32.5 hp Operating Weight 8,047 lb
TC29	Net Power 28 hp Operating Weight 6,480 lb
TC35	Net Power 32.5 hp Operating Weight 7,716 lb
TC35E	Net Power 32.5 hp Operating Weight 7,716 lb
TC37	Net Power 32.5 hp Operating Weight 8,047 lb

HR3.7 to TC37 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Terex	HR3.7 to TC37	5	HR3.7, TC29, TC35, TC35E, and TC37

Boom/Stick Option (Hex) 1
Specification	HR3.7	TC29	TC35	TC35E	TC37
Max Cutting Height	14.87 ft	13.36 ft	15.52 ft	15.52 ft	14.87 ft
Max Loading Height	10.04 ft	9.32 ft	10.57 ft	10.57 ft	10.04 ft
Max Digging Depth	10.44 ft	9.06 ft	11.16 ft	11.16 ft	10.44 ft
Boom/Stick Option (Hex) 1	Monobloc boom Dipperstick 1600mm	boom w/ dipperstick 53'' (1350mm)	boom w/ dipperstick 63'' (1600mm)	boom w/ dipperstick 63'' (1600mm)	boom w/ dipperstick 63'' (1600mm)

Specification	HR3.7
Max Reach Along Ground	18.02 ft

Specification	TC29	TC35	TC35E
Max Vertical Wall Digging Depth	4.93 ft	5.32 ft	5.32 ft

Dimensions and weight
Specification	HR3.7	TC29	TC35	TC35E	TC37
Width To Outside Of Tracks	5.91 ft	4.6 ft	4.93 ft	4.93 ft	5.91 ft
Ground Clearance	0.99 ft	0.89 ft	0.99 ft	0.99 ft	0.99 ft
Height To Top Of Cab	8.21 ft	8.21 ft	8.21 ft	8.21 ft	8.21 ft
Tail Swing Radius	2.96 ft	4.27 ft	4.27 ft	4.27 ft	2.96 ft

Undercarriage
Specification	HR3.7	TC29	TC35	TC35E	TC37
Shoe Size	11.82 in	11.82 in	11.82 in	11.82 in	11.82 in
Drawbar Pull	6,975 lb	6,300 lb	6,975 lb	6,975 lb	6,975 lb
Ground Pressure	4.2 psi	3.9 psi	4.41 psi	4.41 psi	4.1 psi

Specification	TC29	TC35	TC35E	TC37
Track Gauge	3.61 ft	3.94 ft	3.94 ft	4.93 ft
Max Travel Speed	2.86 mph	2.86 mph	2.86 mph	2.86 mph

Engine
Specification	HR3.7	TC29	TC35	TC35E	TC37
Number Of Cylinders	4	4	4	4	4
Engine Model	S4L2	S 4L	S 4L	S 4L	S4L2
Net Power	32.5 hp	28 hp	32.5 hp	32.5 hp	32.5 hp
Power Measured @	2,100 rpm	2,200 rpm	2,100 rpm	2,100 rpm	2,100 rpm
Displacement	105 cu in	91 cu in	107 cu in	107 cu in	105 cu in

Specification	HR3.7	TC37
Max Torque	77.5 lb-ft	77 lb-ft
Torque Measured @	1,500 rpm	1,500 rpm

Operational
Specification	HR3.7	TC29	TC35	TC35E	TC37
Operating Weight	8,047 lb	6,480 lb	7,716 lb	7,716 lb	8,047 lb
Fuel Capacity	17.2 gal	13.8 gal	13.8 gal	13.8 gal	17.2 gal
Hydraulic System Fluid Capacity	18.5 gal	22.5 gal	24.1 gal	24.1 gal	18.5 gal
Hydraulic System Relief Valve Pressure	3,625 psi	3,050 psi	3,625 psi	3,625 psi	3,625 psi
Hydraulic Pump Flow Capacity	25 gpm	26.2 gpm	26.2 gpm	26.2 gpm	25.1 gpm

Specification	HR3.7
Operational Voltage	12 V

Specification	TC29	TC35	TC35E	TC37
Operating Voltage	12 V	12 V	12 V	12 V

Swing Mechanism
Specification	HR3.7	TC29	TC35	TC35E	TC37
Swing Speed	10 rpm	10 rpm	10.5 rpm	10.5 rpm	10 rpm

Buckets
Specification	HR3.7	TC29	TC35	TC37
Reference Bucket Capacity	0.1 yd3	0.1 yd3	0.2 yd3	0.2 yd3
Minimum Bucket Capacity	82.5 yd3	0.1 yd3	0.1 yd3	0.1 yd3
Maximum Bucket Capacity	0.3 yd3	0.2 yd3	0.3 yd3	0.3 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
HR3.7 to TC37	30

Ratios
Figure	HR3.7	TC29	TC35	TC35E	TC37
Engine horsepower per 1,000 lb of weight	4.0	4.3	4.2	4.2	4.0
Fuel tank per engine horsepower	0.53 gal	0.49 gal	0.42 gal	0.42 gal	0.53 gal
Hydraulic power from the listed pump flow and relief pressure	52.9 hp	46.6 hp	55.4 hp	55.4 hp	53.1 hp

Terex HR3.7 to TC37: excavator

HR3.7 to TC37: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums and TractorByNet	excavator	Terex and the TC35 line that the TC29, TC35, TC35E, TC37 belongs to (no title names the exact model)	7

Topics named by those titles
Title topic	Titles
hydraulics	2

Topic in the title	Threads	Share of matching threads
hydraulics	2	29%

Terex TC 29 (Heavy Equipment Forums, 2024-04-11)
Terex Tc37 Leaking Spool Valve (Heavy Equipment Forums, 2023-10-23)
Terex TC 35 Drive Motors (Heavy Equipment Forums, 2021-04-26)
Mitsubishi S4l2 4 Cylinder In A Terex Tc37 Wont Prime (TractorByNet, 2019-04-29)

Used market for the HR3.7 to TC37 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Terex excavator	1

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
TC37	1	2011	$32,545	$32,545	$32,545	240

HR3.7 to TC37: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Terex together with the excavator HR3.7, TC29, TC35, TC35E	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Terex HR3.7 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Terex TC29 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Terex TC35 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Terex TC35E — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Terex TC37 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Terex HR3.7 to TC37 — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: TractorByNet thread index for Terex HR3.7 to TC37 — TractorByNet. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Terex TC37 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Terex — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Terex HR3.7 to TC37: Configuration records

HR3.7

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	14.87 ft
Max Loading Height	10.04 ft
Max Reach Along Ground	18.02 ft
Max Digging Depth	10.44 ft
Boom/Stick Option (Hex) 1	Monobloc boom Dipperstick 1600mm
Dimensions and weight
Width To Outside Of Tracks	5.91 ft
Ground Clearance	0.99 ft
Tail Swing Radius	2.96 ft
Height To Top Of Cab	8.21 ft
Undercarriage
Drawbar Pull	6,975 lb
Shoe Size	11.82 in
Ground Pressure	4.2 psi
Engine
Engine Model	S4L2
Power Measured @	2,100 rpm
Displacement	105 cu in
Max Torque	77.5 lb-ft
Torque Measured @	1,500 rpm
Number Of Cylinders	4
Net Power	32.5 hp
Operational
Operating Weight	8,047 lb
Fuel Capacity	17.2 gal
Hydraulic System Fluid Capacity	18.5 gal
Operational Voltage	12 V
Hydraulic System Relief Valve Pressure	3,625 psi
Hydraulic Pump Flow Capacity	25 gpm
Swing Mechanism
Swing Speed	10 rpm
Buckets
Reference Bucket Capacity	0.1 yd3
Minimum Bucket Capacity	82.5 yd3
Maximum Bucket Capacity	0.3 yd3

Source

TC29

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	13.36 ft
Max Loading Height	9.32 ft
Max Vertical Wall Digging Depth	4.93 ft
Max Digging Depth	9.06 ft
Boom/Stick Option (Hex) 1	boom w/ dipperstick 53'' (1350mm)
Dimensions and weight
Width To Outside Of Tracks	4.6 ft
Ground Clearance	0.89 ft
Tail Swing Radius	4.27 ft
Height To Top Of Cab	8.21 ft
Undercarriage
Max Travel Speed	2.86 mph
Drawbar Pull	6,300 lb
Shoe Size	11.82 in
Track Gauge	3.61 ft
Ground Pressure	3.9 psi
Engine
Engine Model	S 4L
Power Measured @	2,200 rpm
Displacement	91 cu in
Number Of Cylinders	4
Net Power	28 hp
Operational
Operating Weight	6,480 lb
Fuel Capacity	13.8 gal
Hydraulic System Fluid Capacity	22.5 gal
Hydraulic System Relief Valve Pressure	3,050 psi
Hydraulic Pump Flow Capacity	26.2 gpm
Operating Voltage	12 V
Swing Mechanism
Swing Speed	10 rpm
Buckets
Reference Bucket Capacity	0.1 yd3
Minimum Bucket Capacity	0.1 yd3
Maximum Bucket Capacity	0.2 yd3

Source

TC35

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	15.52 ft
Max Loading Height	10.57 ft
Max Vertical Wall Digging Depth	5.32 ft
Max Digging Depth	11.16 ft
Boom/Stick Option (Hex) 1	boom w/ dipperstick 63'' (1600mm)
Dimensions and weight
Width To Outside Of Tracks	4.93 ft
Ground Clearance	0.99 ft
Tail Swing Radius	4.27 ft
Height To Top Of Cab	8.21 ft
Undercarriage
Max Travel Speed	2.86 mph
Drawbar Pull	6,975 lb
Shoe Size	11.82 in
Track Gauge	3.94 ft
Ground Pressure	4.41 psi
Engine
Engine Model	S 4L
Power Measured @	2,100 rpm
Displacement	107 cu in
Number Of Cylinders	4
Net Power	32.5 hp
Operational
Operating Weight	7,716 lb
Fuel Capacity	13.8 gal
Hydraulic System Fluid Capacity	24.1 gal
Hydraulic System Relief Valve Pressure	3,625 psi
Hydraulic Pump Flow Capacity	26.2 gpm
Operating Voltage	12 V
Swing Mechanism
Swing Speed	10.5 rpm
Buckets
Reference Bucket Capacity	0.2 yd3
Minimum Bucket Capacity	0.1 yd3
Maximum Bucket Capacity	0.3 yd3

Source

TC35E

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	15.52 ft
Max Loading Height	10.57 ft
Max Vertical Wall Digging Depth	5.32 ft
Max Digging Depth	11.16 ft
Boom/Stick Option (Hex) 1	boom w/ dipperstick 63'' (1600mm)
Dimensions and weight
Width To Outside Of Tracks	4.93 ft
Ground Clearance	0.99 ft
Tail Swing Radius	4.27 ft
Height To Top Of Cab	8.21 ft
Undercarriage
Max Travel Speed	2.86 mph
Drawbar Pull	6,975 lb
Shoe Size	11.82 in
Track Gauge	3.94 ft
Ground Pressure	4.41 psi
Engine
Engine Model	S 4L
Power Measured @	2,100 rpm
Displacement	107 cu in
Number Of Cylinders	4
Net Power	32.5 hp
Operational
Operating Weight	7,716 lb
Fuel Capacity	13.8 gal
Hydraulic System Fluid Capacity	24.1 gal
Hydraulic System Relief Valve Pressure	3,625 psi
Hydraulic Pump Flow Capacity	26.2 gpm
Operating Voltage	12 V
Swing Mechanism
Swing Speed	10.5 rpm

Source

TC37

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	14.87 ft
Max Loading Height	10.04 ft
Max Digging Depth	10.44 ft
Boom/Stick Option (Hex) 1	boom w/ dipperstick 63'' (1600mm)
Dimensions and weight
Width To Outside Of Tracks	5.91 ft
Ground Clearance	0.99 ft
Tail Swing Radius	2.96 ft
Height To Top Of Cab	8.21 ft
Undercarriage
Max Travel Speed	2.86 mph
Drawbar Pull	6,975 lb
Shoe Size	11.82 in
Track Gauge	4.93 ft
Ground Pressure	4.1 psi
Engine
Engine Model	S4L2
Power Measured @	2,100 rpm
Displacement	105 cu in
Max Torque	77 lb-ft
Torque Measured @	1,500 rpm
Number Of Cylinders	4
Net Power	32.5 hp
Operational
Operating Weight	8,047 lb
Fuel Capacity	17.2 gal
Hydraulic System Fluid Capacity	18.5 gal
Hydraulic System Relief Valve Pressure	3,625 psi
Hydraulic Pump Flow Capacity	25.1 gpm
Operating Voltage	12 V
Swing Mechanism
Swing Speed	10 rpm
Buckets
Reference Bucket Capacity	0.2 yd3
Minimum Bucket Capacity	0.1 yd3
Maximum Bucket Capacity	0.3 yd3

Source

Compare Terex HR3.7, TC29, TC35, TC35E, TC37

Boom/Stick Option (Hex) 1
Specification	HR3.7	TC29	TC35	TC35E	TC37
Max Cutting Height	14.87 ft	13.36 ft	15.52 ft	15.52 ft	14.87 ft
Max Loading Height	10.04 ft	9.32 ft	10.57 ft	10.57 ft	10.04 ft
Max Digging Depth	10.44 ft	9.06 ft	11.16 ft	11.16 ft	10.44 ft
Boom/Stick Option (Hex) 1	Monobloc boom Dipperstick 1600mm	boom w/ dipperstick 53'' (1350mm)	boom w/ dipperstick 63'' (1600mm)	boom w/ dipperstick 63'' (1600mm)	boom w/ dipperstick 63'' (1600mm)

Dimensions and weight
Specification	HR3.7	TC29	TC35	TC35E	TC37
Width To Outside Of Tracks	5.91 ft	4.6 ft	4.93 ft	4.93 ft	5.91 ft
Ground Clearance	0.99 ft	0.89 ft	0.99 ft	0.99 ft	0.99 ft
Height To Top Of Cab	8.21 ft	8.21 ft	8.21 ft	8.21 ft	8.21 ft
Tail Swing Radius	2.96 ft	4.27 ft	4.27 ft	4.27 ft	2.96 ft

Undercarriage
Specification	HR3.7	TC29	TC35	TC35E	TC37
Shoe Size	11.82 in	11.82 in	11.82 in	11.82 in	11.82 in
Drawbar Pull	6,975 lb	6,300 lb	6,975 lb	6,975 lb	6,975 lb
Ground Pressure	4.2 psi	3.9 psi	4.41 psi	4.41 psi	4.1 psi

Engine
Specification	HR3.7	TC29	TC35	TC35E	TC37
Number Of Cylinders	4	4	4	4	4
Engine Model	S4L2	S 4L	S 4L	S 4L	S4L2
Net Power	32.5 hp	28 hp	32.5 hp	32.5 hp	32.5 hp
Power Measured @	2,100 rpm	2,200 rpm	2,100 rpm	2,100 rpm	2,100 rpm
Displacement	105 cu in	91 cu in	107 cu in	107 cu in	105 cu in

Operational
Specification	HR3.7	TC29	TC35	TC35E	TC37
Operating Weight	8,047 lb	6,480 lb	7,716 lb	7,716 lb	8,047 lb
Fuel Capacity	17.2 gal	13.8 gal	13.8 gal	13.8 gal	17.2 gal
Hydraulic System Fluid Capacity	18.5 gal	22.5 gal	24.1 gal	24.1 gal	18.5 gal
Hydraulic System Relief Valve Pressure	3,625 psi	3,050 psi	3,625 psi	3,625 psi	3,625 psi
Hydraulic Pump Flow Capacity	25 gpm	26.2 gpm	26.2 gpm	26.2 gpm	25.1 gpm

Swing Mechanism
Specification	HR3.7	TC29	TC35	TC35E	TC37
Swing Speed	10 rpm	10 rpm	10.5 rpm	10.5 rpm	10 rpm

More in Terex: HR16, HR1.6–TC20, HR18–TC60.

Terex HR3.7 to TC37 specifications

Terex HR3.7 to TC37: excavator

Sources for this page

Terex HR3.7 to TC37: Configuration records