Tractor reference
Bobcat CT1021 HST
Specifications, maintenance, parts and compatibility reference.
Reference set: United States · Open ROPS; 2-range HST · Current The current 1000 Platform marketing card contains inconsistent CT1021 rounded values (21.1 hp / 16.7 PTO hp, while its comparison table also shows 21.2 / 16.3). The current model-specific Engine and Performance tables explicitly publish Gross HP 21 and PTO HP 16.3, which are retained as the more detailed first-party values.
Machine Configuration
Operator stationROPS
Engine
Engine family3C100LWH-U2
Cylinders3
Gross engine power21 hp
Engine displacement1 L
Rated engine speed3200 rpm
Transmission
Standard transmissionInfinite, 2 Range Hydrostatic
Maximum forward speed11.1 mph
Driveline4WD
Maximum reverse speed7.6 mph
PTO
PTO power16.3 hp
PTO configuration540 rpm
Mid PTO2,200 rpm
Hydraulics
Total hydraulic flow7.2 gpm
3-point hitchLimited Category 1
3-point hitch lift capacity at 24 in. behind lift point700 lb
Dimensions & Weight
Overall width45.7 in
Overall height87.6 in
Overall length99.3 in
Standard 4WD wheelbase55.1 in
Front axle clearance6.3 in
Turning radius8.4 ft
Base weight1521 lb
Capacities
Fuel tank capacity6.7 US gal (25.4 L)
Maintenance schedule
Tasks shown here are limited to the selected reference context plus any generic machine-level tasks. Intervals are tied to the cited maintenance source, and each task shows its evidence confidence.
MaintenanceService 1000-hour routine maintenance7417134 · 1000 Hour Maintenance KitApplies to: United States · Open ROPS; 2-range HST · current versionEvidence: Official sourceSource: Bobcat 1000 Hour Maintenance Kit 7417134 for CT1021 / CT1025 →Bobcat Shop identifies this as a routine-maintenance milestone for CT1021 and CT1025 and lists maintenance kit 7417134. Included kit components: 6694509 engine oil filter; 7378026 hydrostatic filter; 7378013 hydraulic oil filter; 7382879 outer air filter; 7412186 fuel filter. The kit contents are not treated here as separate recurring replacement intervals. Parts can vary by tractor serial number.
At 1000 hoursInitial service: 1000 hours
MaintenanceService 200-hour routine maintenance7417131 · 200 Hour Maintenance KitApplies to: United States · Open ROPS; 2-range HST · current versionEvidence: Official sourceSource: Bobcat 200 Hour Maintenance Kit 7417131 for CT1021 / CT1025 →Bobcat Shop identifies this as a routine-maintenance milestone for CT1021 and CT1025 and lists maintenance kit 7417131. Included kit components: 7378026 hydrostatic filter; 7378013 hydraulic filter; 6694509 engine oil filter; 7412186 fuel filter. The kit contents are not treated here as separate recurring replacement intervals. Parts can vary by tractor serial number.
At 200 hoursInitial service: 200 hours
MaintenanceService 50-hour routine maintenance7417129 · 50 Hour Maintenance KitApplies to: United States · Open ROPS; 2-range HST · current versionEvidence: Official sourceSource: Bobcat 50 Hour Maintenance Kit 7417129 for CT1021 / CT1025 →Bobcat Shop identifies this as a routine-maintenance milestone for CT1021 and CT1025 and lists maintenance kit 7417129. Included kit components: 7378026 hydrostatic filter; 7378013 hydraulic filter; 6694509 engine oil filter. The kit contents are not treated here as separate recurring replacement intervals. Parts can vary by tractor serial number.
At 50 hoursInitial service: 50 hours
MaintenanceService 500-hour routine maintenance7417132 · 500 Hour Maintenance KitApplies to: United States · Open ROPS; 2-range HST · current versionEvidence: Official sourceSource: Bobcat 500 Hour Maintenance Kit 7417132 for CT1021 / CT1025 →Bobcat Shop identifies this as a routine-maintenance milestone for CT1021 and CT1025 and lists maintenance kit 7417132. Included kit components: 6694509 engine oil filter; 7382879 outer air filter. The kit contents are not treated here as separate recurring replacement intervals. Parts can vary by tractor serial number.
At 500 hoursInitial service: 500 hours
MaintenanceService 800-hour routine maintenance7417133 · 800 Hour Maintenance KitApplies to: United States · Open ROPS; 2-range HST · current versionEvidence: Official sourceSource: Bobcat 800 Hour Maintenance Kit 7417133 for CT1021 / CT1025 →Bobcat Shop identifies this as a routine-maintenance milestone for CT1021 and CT1025 and lists maintenance kit 7417133. Included kit components: 6694509 engine oil filter; 6694700 arm rocker gasket; 7378026 hydrostatic filter; 7378013 hydraulic oil filter; 7412186 fuel filter. The kit contents are not treated here as separate recurring replacement intervals. Parts can vary by tractor serial number.
At 800 hoursInitial service: 800 hours
Compatible parts & kits
Parts shown here are limited to the selected reference context plus generic machine-level fitment. Configuration-specific fitment, evidence confidence and the direct fitment source are shown under each part when available.
741712950 Hour Maintenance KitEvidence: Official direct fitment · Bobcat 50 Hour Maintenance Kit 7417129 for CT1021 / CT1025 →Maintenance Kits →
7417131200 Hour Maintenance KitEvidence: Official direct fitment · Bobcat 200 Hour Maintenance Kit 7417131 for CT1021 / CT1025 →Maintenance Kits →
7417132500 Hour Maintenance KitEvidence: Official direct fitment · Bobcat 500 Hour Maintenance Kit 7417132 for CT1021 / CT1025 →Maintenance Kits →
7417133800 Hour Maintenance KitEvidence: Official direct fitment · Bobcat 800 Hour Maintenance Kit 7417133 for CT1021 / CT1025 →Maintenance Kits →
74171341000 Hour Maintenance KitEvidence: Official direct fitment · Bobcat 1000 Hour Maintenance Kit 7417134 for CT1021 / CT1025 →Maintenance Kits →
Documented attachment fitment
Attachment fitment is stored separately from the specification/parts version selector. Multiple cited records for the same attachment are grouped below rather than shown as duplicate attachments. A listed attachment may still require a specific axle, driveline, transmission or tractor configuration.
Front loaderBobcat FL6Fitment note: Current Bobcat US tractor bucket/loader guidance maps the FL6 loader family to CT1021 and CT1025. Current model pages independently publish the same loader performance figures.Front loader details: Bobcat compact tractor front-end loader; current bucket family uses a 48 in bucket. Current CT1021/CT1025 tractor pages publish 608 lb loader lift capacity at max height and 72 in lift height.Fitment source: Bobcat current US compact tractor loader and bucket compatibility →
608 lb front-end loader lift capacity at max heightLift height: 72 in maximum lift height to bucket pivot pin
Sources
Bobcat · official sourceBobcat CT1021 current US specifications
Bobcat · official sourceBobcat 1000 Hour Maintenance Kit 7417134 for CT1021 / CT1025
Bobcat · official sourceBobcat 200 Hour Maintenance Kit 7417131 for CT1021 / CT1025
Bobcat · official sourceBobcat 50 Hour Maintenance Kit 7417129 for CT1021 / CT1025
Bobcat · official sourceBobcat 500 Hour Maintenance Kit 7417132 for CT1021 / CT1025
Bobcat · official sourceBobcat 800 Hour Maintenance Kit 7417133 for CT1021 / CT1025
Bobcat · official sourceBobcat current US compact tractor loader and bucket compatibility