Machine models

Cat 939C specifications

Entries in this reference
Listing-entry count
1

Short answer

Cat 939C: track loader.

Selected configuration figures
Configuration	Documented field and quantity
939C	Net Power 90 hp Operating Weight 20,908 lb

939C specification matrix — Dimensions and weight
Specification	939C
Length With Bucket On Ground	14.3 ft
Ground Clearance	1.21 ft
Width To Outside Of Tracks	6.42 ft
Height To Top Of Cab	9.08 ft
Clearance At Full Height And Dump	8.75 ft
Reach At Dump Height	2.84 ft
Length To Front Of Track	9.75 ft

Undercarriage
Specification	939C
Track Gauge	61 in
Length Of Track On Ground	7.03 ft
Number Of Shoes Per Side	37
Ground Contact Area	2,700 in2
Ground Pressure	7.79 psi
Number Of Track Rollers Per Side	6
Track Shoe Width	16 in

Operational
Specification	939C
Operating Weight	20,908 lb
Fuel Capacity	41.4 gal
Cooling System Fluid Capacity	5.5 gal
Engine Oil Capacity	3.4 gal
Final Drive Fluid Capacity - Each	3.9 gal
Hydraulic System Fluid Capacity	15 gal
Static Tipping Load	14,565 lb
Breakout Force - Std Bucket	20,200 lb
Bucket Capacity - Struck	1.3 yd3
Bucket Capacity - Heaped	1.5 yd3
Operating Voltage	12 V
Alternator Supplied Amperage	55 amps

Ratios
Figure	939C
Engine horsepower per 1,000 lb of weight	4.3
Pump flow per engine horsepower	0.39 gpm
Fuel tank per engine horsepower	0.46 gal

Cat 939C: track loader

Cat's listing for the 939C matches a track loader; see the Cat model reference.

Historical Cat ranks: mixed dozer and track-loader pool. Cat: Pool scope.

Figure	939C	Rank	Lowest in line	Highest in line
Engine power	90.0 hp	45 (tied) of 60	43.0 hp	907.0 hp
Listed weight	20,908 lb	55 of 70	1,241 lb	235,507 lb
Pump flow	35.0 gpm	15 of 32	14.3 gpm	2,900.0 gpm
Fuel capacity	41.4 gal	59 of 67	30.0 gal	412.7 gal
Horsepower per 1,000 lb	4.3 hp	19 of 59	3.1 hp	94.7 hp
Ground pressure	7.8 psi	21 of 38	2.5 psi	7,033.0 psi

The 939C beside its neighbours
Base version	935C Series II	939C	D5K2 LGP
Engine power	80 hp	90 hp	104 hp
Weight	19,310 lb	20,908 lb	20,992 lb
Pump flow	939C: 35 gpm; D5K2 LGP: 17.7 gpm
Fuel capacity	30.7 gal	41.4 gal	51.5 gal
Ground pressure	8.56 psi	7.79 psi	7,033 psi

939C: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	track loader	Cat and the 939C. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	9

Used market for the 939C — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat track loader	3

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
939C	3	2005 to 2009	$46,088	$63,000	$54,544	None shown

939C: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the track loader 939C	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 939C — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 939C — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 939C — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	9
Forum indexes	Heavy Equipment Forums
Search wording	the 939C track loader
Latest title quoted by the reference	CAT 939c Hystat Question

939C

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	9.08 ft
Ground Clearance	1.21 ft
Length With Bucket On Ground	14.3 ft
Width To Outside Of Tracks	6.42 ft
Clearance At Full Height And Dump	8.75 ft
Reach At Dump Height	2.84 ft
Length To Front Of Track	9.75 ft
Undercarriage
Track Gauge	61 in
Number Of Shoes Per Side	37
Ground Pressure	7.79 psi
Ground Contact Area	2,700 in2
Number Of Track Rollers Per Side	6
Track Shoe Width	16 in
Engine
Number Of Cylinders	6
Engine Model	3046T
Net Power	90 hp
Displacement	305 cu in
Power Measured @	2,400 rpm
Aspiration	Turbocharger
Operational
Operating Weight	20,908 lb
Fuel Capacity	41.4 gal
Cooling System Fluid Capacity	5.5 gal
Engine Oil Capacity	3.4 gal
Operating Voltage	12 V
Alternator Supplied Amperage	55 amps
Final Drive Fluid Capacity - Each	3.9 gal
Hydraulic System Fluid Capacity	15 gal
Static Tipping Load	14,565 lb
Breakout Force - Std Bucket	20,200 lb
Bucket Capacity - Struck	1.3 yd3
Bucket Capacity - Heaped	1.5 yd3
Hydraulic
Raise Time	5.6 sec
Dump Time	2.4 sec
Lower Time	2.9 sec
Additional specifications
Length Of Track On Ground	7.03 ft
Pump Type	Gear
Pump Flow Capacity	35 gpm
Relief Valve Pressure	2,875 psi
Machine Class — OEM classification of the base loader family. LGP configuration figures remain in their separately identified historical records; this citation does not certify every option or replacement part.	Track loader [source]